Fixed an exception that occurs when a VFX Graph window is open and the open VFX Graph asset is searched for references (there may be other similar edge cases, as well)

Author: yasirkula

Plugins/AssetUsageDetector/Editor/AssetUsageDetector.cs

@@ -985,9 +985,13 @@ private ReferenceNode SearchObject( object obj )
 			if( obj == null || obj.Equals( null ) )
 				return null;
 
-			// Avoid recursion (which leads to stackoverflow exception) using a stack
-			if( callStack.ContainsFast( obj ) )
-				return null;
+			// Avoid recursion (which leads to stackoverflow exception) using a stack (initially, I was using callStack.ContainsFast
+			// here but it returned false for objects that do exist in the call stack if VFX Graph window was open)
+			for( int i = callStack.Count - 1; i >= 0; i-- )
+			{
+				if( callStack[i].Equals( obj ) )
+					return null;
+			}
 
 			bool searchingSourceAsset = searchingSourceAssets && ReferenceEquals( currentSearchedObject, obj );