[Shell] Fix invalid dialog window size

Author: BAndysc

WoWDatabaseEditor.Common/WDE.Common/Managers/IWindowManager.cs

@@ -34,6 +34,7 @@ public interface IAbstractWindowView
         bool IsMaximized { get; }
         (int x, int y) Position { get; }
         (int x, int y) Size { get; }
+        (int x, int y) LogicalSize { get; }
         void Reposition(int x, int y, bool isMaximized, int width, int height);
         event Action? OnClosing;
     }

WoWDatabaseEditorCore.Avalonia/Managers/WindowManager.cs

@@ -73,13 +73,25 @@ public bool IsMaximized
                 }
             }
 
+            public (int x, int y) LogicalSize
+            {
+                get
+                {
+                    if (window.TryGetTarget(out var target))
+                    {
+                        return ((int)target.Width, (int)target.Height);
+                    }
+                    return (100, 100);
+                }
+            }
+            
             public (int x, int y) Size
             {
                 get
                 {
                     if (window.TryGetTarget(out var target))
                     {
-                        // we use screen coords for size so that size is custom app scaling independent 
+                        // we use screen coords for size so that size is custom app scaling independent
                         var screenTopLeftPoint = target.PointToScreen(new Point(target.Position.X, target.Position.Y));
                         var screenBottomRightPoint = target.PointToScreen(new Point(target.Position.X + target.ClientSize.Width, target.Position.Y + target.ClientSize.Height));
                         var width = screenBottomRightPoint.X - screenTopLeftPoint.X;

WoWDatabaseEditorCore.Avalonia/Services/TabularDataPickerService/TabularDataPickerPreferences.cs

@@ -77,7 +77,7 @@ public void SetupWindow(string key, IAbstractWindowView window)
         window.OnClosing += () =>
         {
             var position = window.Position;
-            var size = window.Size;
+            var size = window.LogicalSize; // we use LogicalSize here, because then we set Width directly
             var maximized = window.IsMaximized;
             UpdateWindowState(key, maximized, position.x, position.y, size.x, size.y);
         };