Fix dock window title to properly update on decoration UI

Source/Editor/GUI/Docking/DockWindow.cs

@@ -89,7 +89,7 @@ namespace FlaxEditor.GUI.Docking
                 // Check if is docked to the floating window and is selected so update window title
                 if (IsSelected && _dockedTo is FloatWindowDockPanel floatPanel)
                 {
-                    floatPanel.Window.Title = Title;
+                    floatPanel.UpdateTitle(_title);
                 }
             }
         }

Source/Editor/GUI/Docking/FloatWindowDockPanel.cs

@@ -200,6 +200,14 @@ namespace FlaxEditor.GUI.Docking
             Dispose();
         }
 
+        internal void UpdateTitle(string title)
+        {
+            _window.Title = title;
+            var decorations = Parent.GetChild<FloatWindowDecorations>();
+            if (decorations != null)
+                decorations.PerformLayout();
+        }
+
         /// <inheritdoc />
         public override bool IsFloating => true;
 
@@ -227,10 +235,7 @@ namespace FlaxEditor.GUI.Docking
 
             if (_window != null && SelectedTab != null)
             {
-                _window.Title = SelectedTab.Title;
-                var decorations = Parent.GetChild<FloatWindowDecorations>();
-                if (decorations != null)
-                    decorations.PerformLayout();
+                UpdateTitle(SelectedTab.Title);
             }
         }