Use getTitleBarStyle to fix drag not going to top corner when using…

… native tabs (#239143)

Fixes #238941

src/vs/platform/quickinput/browser/quickInputController.ts

@@ -31,7 +31,7 @@ import { StandardMouseEvent } from '../../../base/browser/mouseEvent.js';
 import { IStorageService, StorageScope, StorageTarget } from '../../storage/common/storage.js';
 import { IConfigurationService } from '../../configuration/common/configuration.js';
 import { Platform, platform } from '../../../base/common/platform.js';
-import { TitleBarSetting, TitlebarStyle } from '../../window/common/window.js';
+import { getTitleBarStyle, TitlebarStyle } from '../../window/common/window.js';
 import { getZoomFactor } from '../../../base/browser/browser.js';
 
 const $ = dom.$;
@@ -919,7 +919,7 @@ class QuickInputDragAndDropController extends Disposable {
 		@IConfigurationService private readonly configurationService: IConfigurationService
 	) {
 		super();
-		const customTitleBar = this.configurationService.getValue<TitlebarStyle>(TitleBarSetting.TITLE_BAR_STYLE) === TitlebarStyle.CUSTOM;
+		const customTitleBar = getTitleBarStyle(this.configurationService) === TitlebarStyle.CUSTOM;
 
 		// Do not allow the widget to overflow or underflow window controls.
 		// Use CSS calculations to avoid having to force layout with `.clientWidth`