No text to speech when a change is applied (fix microsoft#213667) (microsoft#213804)

Author: bpasero

src/vs/workbench/contrib/chat/common/chatModel.ts

@@ -3,6 +3,7 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
+import { localize } from 'vs/nls';
 import { asArray, firstOrDefault } from 'vs/base/common/arrays';
 import { DeferredPromise } from 'vs/base/common/async';
 import { Emitter, Event } from 'vs/base/common/event';
@@ -251,7 +252,7 @@ export class Response implements IResponse {
 			} else if (part.kind === 'command') {
 				return part.command.title;
 			} else if (part.kind === 'textEditGroup') {
-				return '';
+				return localize('editsSummary', "Made changes.");
 			} else if (part.kind === 'progressMessage') {
 				return '';
 			} else if (part.kind === 'confirmation') {