Select all rows by default

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

@@ -155,12 +155,15 @@ export class ActivitiesTableComponent implements OnChanges, OnDestroy {
   }
 
   ngOnInit() {
+    if (this.showCheckbox) {
+      this.toggleAllRows();
       this.selectedRows.changed
         .pipe(takeUntil(this.unsubscribeSubject))
         .subscribe((selectedRows) => {
           this.selectedActivities.emit(selectedRows.source.selected);
         });
     }
+  }
 
   public onChangePage(page: PageEvent) {
     this.pageIndex = page.pageIndex;