fix: type issue in insertvariablesplugin

libs/shared/lib/components/textEditor/plugins/InsertVariablesPlugin.tsx

@@ -33,9 +33,9 @@ export const InsertVariablesPlugin = () => {
 
   const nodeTypes = Object.keys(result.metaData?.nodes.types || {});
   function optionsForType(type: string) {
-    const typeObj = result.metaData?.nodes.types[type] ?? {};
+    const typeObj = result.metaData?.nodes.types[type] ?? {attributes: null};
     
-    if (!('attributes' in typeObj)) {
+    if (!('attributes' in typeObj) || typeObj.attributes == null) {
       return [];
     }