Feature/disable delete activities action if empty table (#5971)

* Disable delete activities action

* Update changelog

CHANGELOG.md

@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+- Disabled the action to delete activities if the activities table is empty
 - Resolved the data source of the `GHOSTFOLIO` data provider in the export functionality
 - Resolved the data source of the `GHOSTFOLIO` data provider in the import functionality
 - Improved the language localization for German (`de`)

libs/ui/src/lib/activities-table/activities-table.component.html

@@ -59,7 +59,9 @@
       <button
         class="align-items-center d-flex"
         mat-menu-item
-        [disabled]="!hasPermissionToDeleteActivity"
+        [disabled]="
+          dataSource?.data.length === 0 || !hasPermissionToDeleteActivity
+        "
         (click)="onDeleteActivities()"
       >
         <span class="align-items-center d-flex">