Always clone graph data when loading to fix some load issues.

web/scripts/app.js

@@ -1489,14 +1489,16 @@ export class ComfyApp {
 
 		let reset_invalid_values = false;
 		if (!graphData) {
+			graphData = defaultGraph;
+			reset_invalid_values = true;
+		}
+
 		if (typeof structuredClone === "undefined")
 		{
-				graphData = JSON.parse(JSON.stringify(defaultGraph));
+			graphData = JSON.parse(JSON.stringify(graphData));
 		}else
 		{
-				graphData = structuredClone(defaultGraph);
-			}
-			reset_invalid_values = true;
+			graphData = structuredClone(graphData);
 		}
 
 		const missingNodeTypes = [];