fix bug where tables reload on action cancel (#30)

Reviewed-on: #30
Reviewed-by: Hop In, I Have Puppies AND WiFi <jleibl@noreply@simonis.lol>
Co-authored-by: Constantin Simonis <constantin@simonis.lol>
Co-committed-by: Constantin Simonis <constantin@simonis.lol>

src/app/employee/delete/delete.component.ts

@@ -31,6 +31,6 @@ export class DeleteComponent {
   deleteEmployee(id: number) {
     this.apiService.deleteById(id).subscribe();
 
-    this.dialogRef.close()
+    this.dialogRef.close(true);
   }
 }