Fixing incorrect delayCall callback registrations

In recent Unity changes to the Scene view shortcuts, they register a method to this callback to set up the contexts of navigation shortcuts (such as WASD movement). Incorrect registrations in the code-base essentially break any form of movement in Scene view. (See: UUM-73924)

Author: Juris-S

Assets/UXF/Scripts/Etc/ReorderableInspector/Editor/ReorderableArrayInspector.cs

@@ -62,7 +62,7 @@ private static void HandleScriptReload()
 		{
 			FORCE_INIT = true;
 
-			EditorApplication.delayCall = () => { EditorApplication.delayCall = () => { FORCE_INIT = false; }; };
+			EditorApplication.delayCall += () => { EditorApplication.delayCall += () => { FORCE_INIT = false; }; };
 		}
 
 		private static GUIStyle styleHighlight;