feat(popup_editor): display promoted attributes

apps/client/src/layouts/desktop_layout.ts

@@ -267,6 +267,7 @@ export default class DesktopLayout {
                     .child(new NoteIconWidget())
                     .child(new NoteTitleWidget()))
                 .child(new ClassicEditorToolbar())
+                .child(new PromotedAttributesWidget())
                 .child(new NoteDetailWidget()));
 
         applyModals(rootContainer);

apps/client/src/widgets/ribbon_widgets/promoted_attributes.ts

@@ -69,11 +69,6 @@ interface AttributeResult {
     attributeId: string;
 }
 
-/**
- * This widget is quite special because it's used in the desktop ribbon, but in mobile outside of ribbon.
- * This works without many issues (apart from autocomplete), but it should be kept in mind when changing things
- * and testing.
- */
 export default class PromotedAttributesWidget extends NoteContextAwareWidget {
 
     private $container!: JQuery<HTMLElement>;