log errors so that they aren't silent

Co-authored-by: Sonny Piers <[email protected]>

Author: vixalien

src/application.ts

@@ -65,7 +65,7 @@ export class Application extends Adw.Application {
         notes.forEach((note) => this.notes_list.append(note));
 
         this.sort_notes();
-      });
+      }).catch(logError);
   }
 
   save() {

src/view.ts

@@ -336,7 +336,7 @@ export class WriteableStickyNote extends AbstractStickyNote {
         save_note(this.note!)
           .then(() => {
             this.buffer.set_modified(false);
-          });
+          }).catch(logError);
       }
     });
   }