🔀 Merge branch 'release/3.0.31'

package.json

 {
   "name": "@vue-unistra/formbuilder",
-  "version": "3.0.30",
+  "version": "3.0.31",
   "main": "dist/index.js",
   "files": [
     "dist/*",

src/components/formbuilder/settings/tabs/data/UsfTabDataInput/UsfTabDataInput.vue

@@ -334,8 +334,8 @@ export default Vue.extend({
     customFilter(itemLabel: string, search: string | null, item: Option): boolean {
       if (search === null) return true;
 
-      if (item.displayedBy !== undefined && item.displayedBy.length) {
-        return itemLabel.toLowerCase().includes(search) || item.displayedBy.some((optionId) => {
+      if (!!item.displayedBy?.length) {
+        return itemLabel?.toLowerCase().includes(search) || item.displayedBy.some((optionId) => {
           const option: Option | undefined = this.getOption(optionId);
           if (option) {
             return optionId.toLowerCase().includes(search) || option.label.toLowerCase().includes(search);