Don't use simple file dialog for user data

Fixes #107882

src/vs/workbench/services/dialogs/electron-sandbox/fileDialogService.ts

@@ -58,7 +58,10 @@ export class FileDialogService extends AbstractFileDialogService implements IFil
 	private shouldUseSimplified(schema: string): { useSimplified: boolean, isSetting: boolean } {
 		const setting = (this.configurationService.getValue('files.simpleDialog.enable') === true);
 		const newWindowSetting = (this.configurationService.getValue('window.openFilesInNewWindow') === 'on');
-		return { useSimplified: (schema !== Schemas.file) || setting, isSetting: newWindowSetting };
+		return {
+			useSimplified: ((schema !== Schemas.file) && (schema !== Schemas.userData)) || setting,
+			isSetting: newWindowSetting
+		};
 	}
 
 	async pickFileFolderAndOpen(options: IPickAndOpenOptions): Promise<any> {