fixup! feat(core): introduce new drawing library

core/embed/rust/src/ui/shape/canvas/mono8.rs

@@ -100,6 +100,6 @@ impl<'a> Canvas for Mono8Canvas<'a> {
 
     #[cfg(feature = "ui_blurring")]
     fn blur_rect(&mut self, _r: Rect, _radius: usize, _cache: &DrawingCache) {
-        // Not implemented
+        unimplemented!();
     }
 }

core/embed/rust/src/ui/shape/display/fake_display.rs

@@ -7,5 +7,5 @@ pub fn render_on_display<'a, F>(_viewport: Option<Viewport>, _bg_color: Option<C
 where
     F: FnOnce(&mut DirectRenderer<'_, 'a, Mono8Canvas<'a>>),
 {
-    panic!("Not implemented")
+    unimplemented!();
 }