display views: return error instead of unwrapping

src/views/scan_menu.rs

@@ -1,3 +1,4 @@
+use crate::drivers::primary_lcd::PrimaryDisplayError;
 use crate::navigation::inputs::ButtonAction;
 use crate::navigation::navigation::CARD_DATA;
 use crate::navigation::navigation::NewState;
@@ -44,13 +45,15 @@ impl Navigable for ScanMenu {
         async move {
             let display = &mut outputs.primary_display;
             let style = MonoTextStyle::new(&FONT_10X20, Rgb565::WHITE);
-            display.clear(Rgb565::BLACK).unwrap();
+            display
+                .clear(Rgb565::BLACK)
+                .map_err(PrimaryDisplayError::from)?;
 
             let display_area = display.bounding_box();
 
             Text::new("Scanning...", Point::new(20, 30), style)
                 .draw(display)
-                .unwrap();
+                .map_err(PrimaryDisplayError::from)?;
 
             // Create styles used by the drawing operations.
             let arc_stroke = PrimitiveStyleBuilder::new()
@@ -80,13 +83,13 @@ impl Navigable for ScanMenu {
             )
             .into_styled(arc_stroke)
             .draw(display)
-            .unwrap();
+            .map_err(PrimaryDisplayError::from)?;
 
             // Draw centered text.
             let text = format!("{:.2}%", 100. * (self.progress as f32) / 255.);
             Text::with_text_style(&text, display_area.center(), character_style, text_style)
                 .draw(display)
-                .unwrap();
+                .map_err(PrimaryDisplayError::from)?;
             Ok(())
         }
     }