Disable button delete when resource not finish to load

src/app/features/deposit/components/routables/deposit-detail/deposit-detail.routable.html

 <div class="button-toolbar">
-  <button mat-flat-button color="primary" (click)="edit()">{{KEY_EDIT_BUTTON | translate}}</button>
-  <button mat-flat-button color="accent" (click)="delete()">{{KEY_DELETE_BUTTON | translate}}</button>
+  <button mat-flat-button
+          color="primary"
+          (click)="edit()">
+    {{KEY_EDIT_BUTTON | translate}}
+  </button>
+  <button mat-flat-button
+          color="accent"
+          [disabled]="!(currentObs| async)"
+          (click)="delete()">
+    {{KEY_DELETE_BUTTON | translate}}
+  </button>
 </div>
 
 <div class="wrapper">

src/app/features/organizational-unit/components/routables/orgunit-detail/orgunit-detail.presentational.html

 <div class="button-toolbar">
-  <button mat-flat-button color="primary" (click)="edit()">{{KEY_EDIT_BUTTON | translate}}</button>
-  <button mat-flat-button color="accent" (click)="delete()">{{KEY_DELETE_BUTTON | translate}}</button>
+  <button mat-flat-button
+          color="primary"
+          (click)="edit()">
+    {{KEY_EDIT_BUTTON | translate}}
+  </button>
+  <button mat-flat-button
+          color="accent"
+          [disabled]="!(currentObs| async)"
+          (click)="delete()">
+    {{KEY_DELETE_BUTTON | translate}}
+  </button>
 </div>
 
 <div class="wrapper">