Fix DPI issues on macOS in Editor windows

Source/Editor/GUI/Docking/WindowDragHelper.cs

@@ -362,6 +362,9 @@ namespace FlaxEditor.GUI.Docking
 
                 // Cache dock rectangles
                 var size = _rectDock.Size / Platform.DpiScale;
+#if PLATFORM_MAC
+                size *= (float)Platform.Dpi / 96.0f; // TODO: refactor DPI support to skip such hacks
+#endif
                 var offset = _toDock.PointFromScreen(_rectDock.Location);
                 var borderMargin = 10.0f;
                 var hintWindowsSize = HintControlSize;

Source/Editor/Modules/WindowsModule.cs

@@ -702,6 +702,9 @@ namespace FlaxEditor.Modules
             {
                 // Check if there is a floating window that has the same size
                 var dpi = (float)Platform.Dpi / 96.0f;
+#if PLATFORM_MAC
+                dpi = 1.0f; // TODO: refactor DPI support to skip such hacks
+#endif
                 var dpiScale = Platform.CustomDpiScale;
                 var defaultSize = window.DefaultSize * dpi;
                 for (var i = 0; i < Editor.UI.MasterPanel.FloatingPanels.Count; i++)