Fixes search progress icon doesn't go away after canceling replace (microsoft#182004)

Fixes microsoft#181931

Author: jeanp413

src/vs/workbench/contrib/search/browser/searchView.ts

@@ -689,6 +689,8 @@ export class SearchView extends ViewPane {
 					errors.isCancellationError(error);
 					this.notificationService.error(error);
 				});
+			} else {
+				progressComplete();
 			}
 		});
 	}