[Editor] Fixes to Audio Clip Editor;

Author: LittleCodingFox

Engine/Editor/Editors/Assets/AudioClipEditor.cs

@@ -47,6 +47,7 @@ public override void Destroy()
             audioSource?.Destroy();
             audioClip?.Destroy();
 
+            triedLoad = false;
             clip = null;
             cancellation = null;
             audioSource = null;
@@ -196,7 +197,10 @@ public override void OnInspectorGUI()
                 }
             }
 
-            ShowAssetUI(null);
+            ShowAssetUI((() =>
+            {
+                Destroy();
+            }));
         }
     }
 }