Fix: Resolve problems

Author: XTorLukas

src/Files.App/UserControls/TabBar/TabBar.xaml.cs

@@ -360,13 +360,13 @@ private void TabViewItem_Loaded(object sender, RoutedEventArgs e)
 
 		private void DragAreaRectangle_Loaded(object sender, RoutedEventArgs e)
 		{
-			double scaleAdjustment = DragAreaRectangle.XamlRoot.RasterizationScale;
-			double titleBarInset = ((FilePropertiesHelpers.FlowDirectionSettingIsRightToLeft
+			var scaleAdjustment = DragAreaRectangle.XamlRoot.RasterizationScale;
+			var titleBarInset = ((FilePropertiesHelpers.FlowDirectionSettingIsRightToLeft
 				? MainWindow.Instance.AppWindow.TitleBar.LeftInset
 				: MainWindow.Instance.AppWindow.TitleBar.RightInset) / scaleAdjustment) + 40;
 
 			HorizontalTabView.Measure(new(HorizontalTabView.ActualWidth - TabBarAddNewTabButton.Width - titleBarInset, HorizontalTabView.ActualHeight));
-			RightPaddingColumn.Width = new(titleBarInset >= 0 ? titleBarInset : 0);
+			RightPaddingColumn.Width = new(titleBarInset);
 		}
 	}
 }

src/Files.App/Views/MainPage.xaml.cs

@@ -127,6 +127,7 @@ private void UserSettingsService_OnSettingChangedEvent(object? sender, SettingCh
 		private void HorizontalMultitaskingControl_Loaded(object sender, RoutedEventArgs e)
 		{
 			TabControl.DragArea.SizeChanged += (_, _) => MainWindow.Instance.RaiseSetTitleBarDragRegion(SetTitleBarDragRegion);
+			TabControl.SizeChanged += (_, _) => MainWindow.Instance.RaiseSetTitleBarDragRegion(SetTitleBarDragRegion);
 			if (ViewModel.MultitaskingControl is not TabBar)
 			{
 				ViewModel.MultitaskingControl = TabControl;