fix(AuthorCard): fixed search in editMetadataPage context

src/modules/user/components/EditMetadataAuthors.vue

@@ -36,7 +36,7 @@
 
               <AuthorCard v-bind="authorEditingProperties(author)"
                           @openButtonClicked="catchEditAuthorClick(author)"
-                          @catchSearchAuthor="catchAuthorSearchClick(author.fullName)"
+                          @catchSearchAuthor="catchAuthorSearchClick"
                           >
 
                 <template #dataCreditCurrentDataset >

src/modules/user/components/MetadataEditPage.vue

@@ -203,7 +203,7 @@ export default {
     authorsMapLoading() {
       const map = this.authorsMap;
 
-      return Object.keys(map).length <= 0;
+      return !map || Object.keys(map).length <= 0;
     },
     currentComponentLoading() {
       const stepKey = getStepFromRoute(this.$route);