Ensure comments that have pending text are restored

src/vs/workbench/contrib/comments/electron-browser/commentsEditorContribution.ts

@@ -436,7 +436,8 @@ export class ReviewController implements IEditorContribution {
 				}
 			});
 			added.forEach(thread => {
-				this.displayCommentThread(e.owner, thread, null, draftMode);
+				const pendingCommentText = this._pendingCommentCache[e.owner] && this._pendingCommentCache[e.owner][thread.threadId];
+				this.displayCommentThread(e.owner, thread, pendingCommentText, draftMode);
 				this._commentInfos.filter(info => info.owner === e.owner)[0].threads.push(thread);
 			});