add delay for showing progress

src/vs/editor/contrib/format/formatActions.ts

@@ -233,7 +233,8 @@ class FormatDocumentAction extends EditorAction {
 			const instaService = accessor.get(IInstantiationService);
 			const progressService = accessor.get(IEditorProgressService);
 			await progressService.showWhile(
-				instaService.invokeFunction(formatDocumentWithSelectedProvider, editor, FormattingMode.Explicit, Progress.None, CancellationToken.None)
+				instaService.invokeFunction(formatDocumentWithSelectedProvider, editor, FormattingMode.Explicit, Progress.None, CancellationToken.None),
+				250
 			);
 		}
 	}
@@ -273,7 +274,8 @@ class FormatSelectionAction extends EditorAction {
 
 		const progressService = accessor.get(IEditorProgressService);
 		await progressService.showWhile(
-			instaService.invokeFunction(formatDocumentRangeWithSelectedProvider, editor, range, FormattingMode.Explicit, CancellationToken.None)
+			instaService.invokeFunction(formatDocumentRangeWithSelectedProvider, editor, range, FormattingMode.Explicit, CancellationToken.None),
+			250
 		);
 	}
 }