feat(Set Node): Overhaul (#6348)

Github issue / Community forum post (link here to close automatically):
https://github.com/n8n-io/n8n/pull/6348

---------

Co-authored-by: Giulio Andreini <g.andreini@gmail.com>
Co-authored-by: Marcus <marcus@n8n.io>

packages/editor-ui/src/components/ParameterInputList.vue

@@ -353,6 +353,9 @@ export default defineComponent({
 				rawValues = get(this.nodeValues, this.path);
 			}
 
+			if (!rawValues) {
+				return false;
+			}
 			// Resolve expressions
 			const resolveKeys = Object.keys(rawValues);
 			let key: string;