feat: Call Repaint() on draw custom background

Author: SolarianZ

Editor/Scripts/AssetQuickAccessWindow.BottomTips.cs

@@ -21,7 +21,7 @@ private void DrawBottomTips()
             GUILayout.Label("Drag the asset here to add a new item.", _bottomTipsStyle);
         }
 
-        private void ClearBottomTipsGuiStytleCaches()
+        private void ClearBottomTipsGuiCaches()
         {
             _bottomTipsStyle = null;
         }

Editor/Scripts/AssetQuickAccessWindow.ListContent.cs

@@ -61,6 +61,7 @@ private void DrawAssetListItemBackground(Rect rect, int index, bool active, bool
             GUI.color = rect.Contains(Event.current.mousePosition) ? Color.cyan : guiColor;
             GUI.Box(bgRect, (string)null);
             GUI.color = guiColor;
+            Repaint();
         }
 
         private void DrawAssetListItem(Rect rect, int index, bool isActive, bool isFocused)
@@ -404,7 +405,7 @@ private void ProcessAssetItemAction(Rect dragArea, AssetHandle assetHandle)
             }
         }
 
-        private void ClearListContentGuiStyleCaches()
+        private void ClearListContentGuiCaches()
         {
             _assetItemStyle = null;
         }

Editor/Scripts/AssetQuickAccessWindow.OnGUI.cs

@@ -52,11 +52,11 @@ private void ProcessDragAndDropIn()
             }
         }
 
-        private void ClearAllGuiStytleCaches()
+        private void ClearAllGuiCaches()
         {
-            ClearToolbarGuiStyleCaches();
-            ClearListContentGuiStyleCaches();
-            ClearBottomTipsGuiStytleCaches();
+            ClearToolbarGuiCaches();
+            ClearListContentGuiCaches();
+            ClearBottomTipsGuiCaches();
         }
     }
 }

Editor/Scripts/AssetQuickAccessWindow.Toolbar.cs

@@ -65,12 +65,14 @@ private void DrawToolbar()
                     {
                         normal = { background = Texture2D.grayTexture }
                     });
+                    Repaint();
                 }
             }
         }
 
-        private void ClearToolbarGuiStyleCaches()
+        private void ClearToolbarGuiCaches()
         {
+            _toolbarMenuContent = null;
             _toolbarMenuStyle = null;
         }
     }

Editor/Scripts/AssetQuickAccessWindow.cs

@@ -154,7 +154,7 @@ private void OnDisable()
         private void OnFocus()
         {
             // FIX: Gui styles may be lost
-            ClearAllGuiStytleCaches();
+            ClearAllGuiCaches();
         }
 
         private void ShowButton(Rect position)