Fix webview flashing white

Author: gave92

src/Files.App/UserControls/TerminalView.xaml

@@ -18,7 +18,8 @@
 			x:Name="WebViewControl"
 			HorizontalAlignment="Stretch"
 			VerticalAlignment="Stretch"
-			Loaded="WebViewControl_LoadedAsync" />
+			DefaultBackgroundColor="Transparent"
+			Loaded="WebViewControl_Loaded" />
 
 	</Border>
 </UserControl>

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

@@ -123,7 +123,7 @@ public TerminalView()
 			InitializeComponent();
 		}
 
-		private async void WebViewControl_LoadedAsync(object sender, Microsoft.UI.Xaml.RoutedEventArgs e)
+		private async void WebViewControl_Loaded(object sender, Microsoft.UI.Xaml.RoutedEventArgs e)
 		{
 			await WebViewControl.EnsureCoreWebView2Async();
 			//WebViewControl.CoreWebView2.OpenDevToolsWindow();