UI: Add disable button Download package in ota-update.component

@@ -102,7 +102,7 @@ export class OtaUpdateTableConfigResolve implements Resolve<EntityTableConfig<Ot
       {
         name: this.translate.instant('ota-update.download'),
         icon: 'file_download',
-        isEnabled: (otaPackage) => otaPackage.hasData,
+        isEnabled: (otaPackage) => otaPackage.hasData && !otaPackage.url,
         onAction: ($event, entity) => this.exportPackage($event, entity)
       }
     );

@@ -17,7 +17,7 @@
 -->
 <div class="tb-details-buttons" fxLayout.xs="column">
   <button mat-raised-button color="primary" fxFlex.xs
-          [disabled]="(isLoading$ | async) || !entity?.hasData"
+          [disabled]="(isLoading$ | async) || !(entity?.hasData && !entity?.url)"
           (click)="onEntityAction($event, 'uploadPackage')"
           [fxShow]="!isEdit">
     {{ 'ota-update.download' | translate }}