fix: Deprecated: element.ref

Author: manelpb

.changeset/fluffy-pumas-smile.md

@@ -0,0 +1,5 @@
+---
+'@craftjs/utils': patch
+---
+
+Accessing element.ref is no longer supported. ref is now a regular prop.

packages/utils/src/EventHandlers/wrapConnectorHooks.tsx

@@ -19,7 +19,7 @@ export function cloneWithRef(
   element: any,
   newRef: any
 ): React.ReactElement<any> {
-  const previousRef = element.ref;
+  const previousRef = element.props.ref;
   invariant(
     typeof previousRef !== 'string',
     'Cannot connect to an element with an existing string ref. ' +