fix(admin): disable to add new form item during the data loading

* Add button is now disabled when the data are loading - we want to avoid potential bug (edge case)
when new item is locally added to the list and then is rewritten by asynchronously loaded data from BE.

Author: HejdaJakub

apps/admin-gui/src/app/vos/pages/group-detail-page/group-settings/group-settings-application-form/group-settings-application-form.component.html

@@ -53,6 +53,7 @@ <h1 class="page-subtitle">
 
     <button
       *ngIf="editAuth"
+      [disabled]="loadingTable"
       (click)="add()"
       color="accent"
       class="me-2 action-button"

apps/admin-gui/src/app/vos/pages/vo-detail-page/vo-settings/vo-settings-application-form/vo-settings-application-form.component.html

@@ -41,6 +41,7 @@ <h1 class="page-subtitle">
 
     <button
       *ngIf="editAuth"
+      [disabled]="loadingTable"
       (click)="add()"
       color="accent"
       class="me-2 action-button"