update status bar _onDidChangeScreenReaderOptimized (microsoft#167735)

Author: meganrogge

src/vs/workbench/browser/parts/editor/editorStatus.ts

@@ -336,6 +336,10 @@ export class EditorStatus extends Disposable implements IWorkbenchContribution {
 	}
 
 	private registerListeners(): void {
+		this._register(this.accessibilityService.onDidChangeScreenReaderOptimized(() => {
+			const screenReaderMode = this.accessibilityService.getAccessibilitySupport() === AccessibilitySupport.Enabled;
+			this.updateState({ type: 'screenReaderMode', screenReaderMode });
+		}));
 		this._register(this.editorService.onDidActiveEditorChange(() => this.updateStatusBar()));
 		this._register(this.textFileService.untitled.onDidChangeEncoding(model => this.onResourceEncodingChange(model.resource)));
 		this._register(this.textFileService.files.onDidChangeEncoding(model => this.onResourceEncodingChange((model.resource))));
@@ -807,7 +811,6 @@ export class EditorStatus extends Disposable implements IWorkbenchContribution {
 					}
 				}
 			}
-
 			screenReaderMode = (editorWidget.getOption(EditorOption.accessibilitySupport) === AccessibilitySupport.Enabled);
 		}