error view: clear display

src/views/error_view.rs

@@ -34,6 +34,15 @@ impl Navigable for ErrorView {
         _: &Peripherals,
     ) -> impl core::future::Future<Output = Result<(), Box<dyn error::Error>>> + Send {
         async move {
+            outputs
+                .primary_display
+                .clear(Rgb565::BLACK)
+                .unwrap_or_else(|error| {
+                    panic!(
+                        "Error: {error:?}\nDraw error while rendering ErrorView: {}",
+                        self.error
+                    )
+                });
             let style = MonoTextStyle::new(&FONT_10X20, Rgb565::RED);
             let display_area = outputs.primary_display.bounding_box();
             Text::new(
@@ -44,7 +53,7 @@ impl Navigable for ErrorView {
             .draw(&mut outputs.primary_display)
             .unwrap_or_else(|error| {
                 panic!(
-                    "Error: {error:?}\nDraw error while rendering error: {}",
+                    "Error: {error:?}\nDraw error while rendering ErrorView: {}",
                     self.error
                 )
             });
@@ -61,7 +70,7 @@ impl Navigable for ErrorView {
                 .draw(&mut outputs.primary_display)
                 .unwrap_or_else(|error| {
                     panic!(
-                        "Error: {error:?}\nDraw error while rendering error: {}",
+                        "Error: {error:?}\nDraw error while rendering ErrorView: {}",
                         self.error
                     )
                 });