Replaces white to black overlay background on white theme, and black to white on dark theme

Author: SKProCH

DialogHost.Avalonia/DialogHostStyles.axaml.cs

@@ -44,7 +44,7 @@ public DialogHostStyles(IResourceHost owner) : base(owner) {
     /// Lists of resource keys which will be used as defaults for DialogHost.OverlayBackground property
     /// </summary>
     public static IReadOnlyList<string> OverlayBackgroundColorKeys { get; } =
-        ["SystemControlPageBackgroundChromeLowBrush"];
+        ["SystemChromeDisabledLowColor", "MaterialBodyLightColor"];
 
     bool IResourceNode.HasResources => true;