display views: return error instead of unwrapping

src/views/journal_view.rs

@@ -1,6 +1,7 @@
+use crate::drivers::primary_lcd::PrimaryDisplayError;
+use crate::peripherals::Peripherals;
 use alloc::boxed::Box;
 use core::error;
-use crate::peripherals::Peripherals;
 use core::future;
 
 use alloc::vec::Vec;
@@ -31,7 +32,10 @@ impl Navigable for JournalView {
         _: &Peripherals,
     ) -> impl core::future::Future<Output = Result<(), Box<dyn error::Error>>> + Send {
         async move {
-            outputs.primary_display.clear(Rgb565::BLACK).unwrap();
+            outputs
+                .primary_display
+                .clear(Rgb565::BLACK)
+                .map_err(PrimaryDisplayError::from)?;
             Ok(())
         }
     }