refactor(eckhart): subtext marquee when too long

diff --git a/core/embed/rust/src/ui/layout_eckhart/component/button.rs b/core/embed/rust/src/ui/layout_eckhart/component/button.rs
index e9fc82da..a0354e2a 100644
--- a/core/embed/rust/src/ui/layout_eckhart/component/button.rs
+++ b/core/embed/rust/src/ui/layout_eckhart/component/button.rs
@@ -65,20 +65,13 @@ impl Button {
             ButtonContent::TextAndSubtext {
                 subtext,
                 subtext_style,
-                subtext_is_marquee,
                 ..
-            } => {
-                if subtext_is_marquee {
-                    Some(Marquee::new(
-                        subtext,
-                        subtext_style.text_font,
-                        subtext_style.text_color,
-                        subtext_style.background_color,
-                    ))
-                } else {
-                    None
-                }
-            }
+            } => Some(Marquee::new(
+                subtext,
+                subtext_style.text_font,
+                subtext_style.text_color,
+                subtext_style.background_color,
+            )),
             _ => None,
         };
         Self {
@@ -127,13 +120,13 @@ impl Button {
             .with_radius(Self::MENU_ITEM_RADIUS)
     }
 
-    pub fn new_single_line_menu_item_with_subtext_marquee(
+    pub fn new_single_line_menu_item_with_subtext(
         text: TString<'static>,
         stylesheet: ButtonStyleSheet,
         subtext: TString<'static>,
         subtext_style: &'static TextStyle,
     ) -> Self {
-        Self::with_single_line_text_and_subtext_marquee(text, subtext, subtext_style, None)
+        Self::with_single_line_text_and_subtext(text, subtext, subtext_style, None)
             .with_text_align(Self::MENU_ITEM_ALIGNMENT)
             .with_content_offset(Self::MENU_ITEM_CONTENT_OFFSET)
             .styled(stylesheet)
@@ -166,7 +159,7 @@ impl Button {
             )
         };
 
-        Self::with_text_and_subtext_marquee(
+        Self::with_text_and_subtext(
             text,
             subtext,
             subtext_style,
@@ -200,27 +193,13 @@ impl Button {
         ))
     }
 
-    pub fn with_single_line_text_and_subtext_marquee(
-        text: TString<'static>,
-        subtext: TString<'static>,
-        subtext_style: &'static TextStyle,
-        icon: Option<(Icon, Color)>,
-    ) -> Self {
-        Self::new(ButtonContent::single_line_text_and_marquee_subtext(
-            text,
-            subtext,
-            subtext_style,
-            icon,
-        ))
-    }
-
-    pub fn with_text_and_subtext_marquee(
+    pub fn with_single_line_text_and_subtext(
         text: TString<'static>,
         subtext: TString<'static>,
         subtext_style: &'static TextStyle,
         icon: Option<(Icon, Color)>,
     ) -> Self {
-        Self::new(ButtonContent::text_and_marquee_subtext(
+        Self::new(ButtonContent::single_line_text_and_subtext(
             text,
             subtext,
             subtext_style,
@@ -542,7 +521,6 @@ impl Button {
                 single_line,
                 subtext,
                 subtext_style,
-                subtext_is_marquee,
                 icon,
             } => {
                 let text_baseline_height = self.baseline_text_height();
@@ -583,13 +561,12 @@ impl Button {
                 subtext.map(|subtext| {
                     let subtext_fits =
                         subtext_style.text_font.text_width(subtext) <= available_width;
-                    #[cfg(feature = "ui_debug")]
-                    {
-                        if !subtext_fits && !subtext_is_marquee {
-                            fatal_error!(&uformat!(len: 128, "Subtext too long: '{}'", subtext));
-                        }
-                    }
-                    if subtext_fits || !subtext_is_marquee || self.subtext_marquee.is_none() {
+                    if self.subtext_marquee.is_some() && !subtext_fits {
+                        let Some(m) = &self.subtext_marquee else {
+                            unreachable!();
+                        };
+                        m.render(target);
+                    } else {
                         shape::Text::new(
                             render_origin(if single_line_text {
                                 text_baseline_height / 2
@@ -607,8 +584,6 @@ impl Button {
                         .with_align(self.text_align)
                         .with_alpha(alpha)
                         .render(target);
-                    } else if let Some(m) = &self.subtext_marquee {
-                        m.render(target);
                     }
                 });
 
@@ -842,7 +817,6 @@ pub enum ButtonContent {
         single_line: bool,
         subtext: TString<'static>,
         subtext_style: &'static TextStyle,
-        subtext_is_marquee: bool,
         icon: Option<(Icon, Color)>,
     },
     Icon(Icon),
@@ -876,12 +850,11 @@ impl ButtonContent {
             single_line: false,
             subtext,
             subtext_style,
-            subtext_is_marquee: false,
             icon,
         }
     }
 
-    pub const fn single_line_text_and_marquee_subtext(
+    pub const fn single_line_text_and_subtext(
         text: TString<'static>,
         subtext: TString<'static>,
         subtext_style: &'static TextStyle,
@@ -892,23 +865,6 @@ impl ButtonContent {
             single_line: true,
             subtext,
             subtext_style,
-            subtext_is_marquee: true,
-            icon,
-        }
-    }
-
-    pub const fn text_and_marquee_subtext(
-        text: TString<'static>,
-        subtext: TString<'static>,
-        subtext_style: &'static TextStyle,
-        icon: Option<(Icon, Color)>,
-    ) -> Self {
-        Self::TextAndSubtext {
-            text,
-            single_line: false,
-            subtext,
-            subtext_style,
-            subtext_is_marquee: true,
             icon,
         }
     }
diff --git a/core/embed/rust/src/ui/layout_eckhart/firmware/device_menu_screen.rs b/core/embed/rust/src/ui/layout_eckhart/firmware/device_menu_screen.rs
index ee6c14dc..8667a65b 100644
--- a/core/embed/rust/src/ui/layout_eckhart/firmware/device_menu_screen.rs
+++ b/core/embed/rust/src/ui/layout_eckhart/firmware/device_menu_screen.rs
@@ -157,8 +157,8 @@ impl<const N: usize> VecExt for Vec<MenuItem, N> {
 
 struct MenuItem {
     text: TString<'static>,
+    single_line: bool,
     subtext: Option<(TString<'static>, Option<&'static TextStyle>)>,
-    subtext_marquee: bool,
     stylesheet: &'static ButtonStyleSheet,
     connection_status: Option<bool>,
     action: Option<Action>,
@@ -172,8 +172,8 @@ impl MenuItem {
     fn new(text: TString<'static>, action: Option<Action>) -> Self {
         Self {
             text,
+            single_line: false,
             subtext: None,
-            subtext_marquee: false,
             stylesheet: MENU_ITEM_NORMAL,
             action,
             connection_status: None,
@@ -198,8 +198,8 @@ impl MenuItem {
         self
     }
 
-    pub fn with_subtext_marquee(mut self) -> Self {
-        self.subtext_marquee = true;
+    pub fn with_single_line(mut self) -> Self {
+        self.single_line = true;
         self
     }
 
@@ -451,9 +451,7 @@ impl DeviceMenuScreen {
                 MenuItem::go_to_subscreen(text, device).with_connection_status(connection_status);
 
             if let Some(subtext) = subtext {
-                item_device = item_device
-                    .with_subtext(Some((subtext, None)))
-                    .with_subtext_marquee();
+                item_device = item_device.with_subtext(Some((subtext, None)));
             }
 
             items.add(item_device);
@@ -632,8 +630,8 @@ impl DeviceMenuScreen {
         if let Some(device_name) = device_name {
             let item_device_name =
                 MenuItem::return_msg(TR::words__name.into(), DeviceMenuMsg::SetDeviceName)
-                    .with_subtext(Some((device_name, None)))
-                    .with_subtext_marquee();
+                    .with_single_line()
+                    .with_subtext(Some((device_name, None)));
             items.add(item_device_name);
         }
 
@@ -796,8 +794,8 @@ impl DeviceMenuScreen {
                     } else if let Some((subtext, subtext_style)) = item.subtext {
                         let subtext_style =
                             subtext_style.unwrap_or(&theme::TEXT_MENU_ITEM_SUBTITLE);
-                        let ctor = if item.subtext_marquee {
-                            Button::new_single_line_menu_item_with_subtext_marquee
+                        let ctor = if item.single_line {
+                            Button::new_single_line_menu_item_with_subtext
                         } else {
                             Button::new_menu_item_with_subtext
                         };