refactor(core/rust): tweak MenuIntent's micropython dependency

### core/embed/rust/src/ui/api/firmware_micropython.rs
@@ -18,7 +18,7 @@ use crate::ui::component::Empty;
 use crate::ui::display::{fade_backlight_duration, get_backlight, set_backlight};
 use crate::ui::layout::base::LAYOUT_STATE;
 use crate::ui::layout::device_menu_result::DEVICE_MENU_RESULT;
-use crate::ui::layout::menu_item_intent::MENU_ITEM_INTENT_OBJ;
+use crate::ui::layout::menu_item_intent::micropython::MENU_ITEM_INTENT_OBJ;
 use crate::ui::layout::obj::{ComponentMsgObj, LayoutObj, ATTACH_TYPE_OBJ};
 use crate::ui::layout::result::{BACK, CANCELLED, CONFIRMED, INFO};
 use crate::ui::layout::util::{upy_disable_animation, RecoveryType};

### core/embed/rust/src/ui/layout/menu_item_intent.rs
@@ -1,13 +1,3 @@
-use crate::error::Error;
-#[cfg(feature = "micropython")]
-use crate::micropython::{
-    macros::{obj_dict, obj_map, obj_type},
-    obj::Obj,
-    qstr::Qstr,
-    simple_type::SimpleTypeObj,
-    typ::FullType,
-};
-
 /// What a menu entry means, which each model renders in its own way.
 #[repr(u8)]
 #[derive(Clone, Copy, PartialEq, Eq)]
@@ -19,34 +9,41 @@ pub enum MenuItemIntent {
     Danger = 1,
 }
 
-impl TryFrom<u8> for MenuItemIntent {
-    type Error = Error;
-    fn try_from(value: u8) -> Result<Self, Self::Error> {
-        match value {
-            0 => Ok(MenuItemIntent::Standard),
-            1 => Ok(MenuItemIntent::Danger),
-            _ => Err(Error::OutOfRange),
+#[cfg(feature = "micropython")]
+pub mod micropython {
+    use super::MenuItemIntent;
+    use crate::micropython::macros::{obj_dict, obj_map, obj_type};
+    use crate::micropython::qstr::Qstr;
+    use crate::micropython::simple_type::SimpleTypeObj;
+    use crate::micropython::typ::FullType;
+    use crate::micropython::{Error, Obj};
+
+    impl TryFrom<u8> for MenuItemIntent {
+        type Error = Error;
+        fn try_from(value: u8) -> Result<Self, Self::Error> {
+            match value {
+                0 => Ok(MenuItemIntent::Standard),
+                1 => Ok(MenuItemIntent::Danger),
+                _ => Err(Error::OutOfRange),
+            }
         }
     }
-}
 
-#[cfg(feature = "micropython")]
-impl TryFrom<Obj> for MenuItemIntent {
-    type Error = Error;
+    impl TryFrom<Obj> for MenuItemIntent {
+        type Error = Error;
 
-    fn try_from(obj: Obj) -> Result<Self, Self::Error> {
-        Self::try_from(u8::try_from(obj)?)
+        fn try_from(obj: Obj) -> Result<Self, Self::Error> {
+            Self::try_from(u8::try_from(obj)?)
+        }
     }
-}
 
-#[cfg(feature = "micropython")]
-static MENU_ITEM_INTENT_TYPE: FullType = obj_type! {
-    name: Qstr::MP_QSTR_MenuItemIntent,
-    locals: &obj_dict!(obj_map! {
-        Qstr::MP_QSTR_STANDARD => Obj::small_int(MenuItemIntent::Standard as u16),
-        Qstr::MP_QSTR_DANGER => Obj::small_int(MenuItemIntent::Danger as u16),
-    }),
-};
+    static MENU_ITEM_INTENT_TYPE: FullType = obj_type! {
+        name: Qstr::MP_QSTR_MenuItemIntent,
+        locals: &obj_dict!(obj_map! {
+            Qstr::MP_QSTR_STANDARD => Obj::small_int(MenuItemIntent::Standard as u16),
+            Qstr::MP_QSTR_DANGER => Obj::small_int(MenuItemIntent::Danger as u16),
+        }),
+    };
 
-#[cfg(feature = "micropython")]
-pub static MENU_ITEM_INTENT_OBJ: SimpleTypeObj = SimpleTypeObj::new(&MENU_ITEM_INTENT_TYPE);
+    pub static MENU_ITEM_INTENT_OBJ: SimpleTypeObj = SimpleTypeObj::new(&MENU_ITEM_INTENT_TYPE);
+}

### core/embed/rust/src/ui/layout_caesar/ui_firmware.rs
@@ -26,7 +26,6 @@ use crate::ui::component::text::TextStyle;
 use crate::ui::component::{
     Component, ComponentExt, Empty, FormattedText, Label, LineBreaking, Paginate, Timeout,
 };
-use crate::ui::layout::menu_item_intent::MenuItemIntent;
 use crate::ui::layout::obj::{LayoutMaybeTrace, LayoutObj, RootComponent};
 use crate::ui::layout::util::{ConfirmValueParams, PropsList, RecoveryType};
 use crate::ui::notification::Notification;