Fix screen reader for comment editor (microsoft#191828)

* Try forwarding the accessibility support setting to the comment editor

* Add isAccessible to comment view
Fixes microsoft#146994

Author: alexr00

src/vs/workbench/contrib/comments/browser/commentThreadZoneWidget.ts

@@ -129,7 +129,7 @@ export class ReviewZoneWidget extends ZoneWidget implements ICommentThreadWidget
 		@IContextKeyService contextKeyService: IContextKeyService,
 		@IConfigurationService private readonly configurationService: IConfigurationService
 	) {
-		super(editor, { keepEditorSelection: true });
+		super(editor, { keepEditorSelection: true, isAccessible: true });
 		this._contextKeyService = contextKeyService.createScoped(this.domNode);
 
 		this._scopedInstantiationService = instantiationService.createChild(new ServiceCollection(

src/vs/workbench/contrib/comments/browser/simpleCommentEditor.ts

@@ -104,7 +104,8 @@ export class SimpleCommentEditor extends CodeEditorWidget {
 				enabled: false
 			},
 			autoClosingBrackets: configurationService.getValue('editor.autoClosingBrackets'),
-			quickSuggestions: false
+			quickSuggestions: false,
+			accessibilitySupport: configurationService.getValue<'auto' | 'off' | 'on'>('editor.accessibilitySupport'),
 		};
 	}
 }