board members can delete trips, proper notification + succ message is created

src/model/role.rs

@@ -158,7 +158,7 @@ WHERE name like ?
 
         ActivityBuilder::new(&format!(
             "{updated_by} hat Rolle {self} von {self:#?} auf FORMATTED_NAME={formatted_name}, DESC={desc} aktualisiert."
-        )).relevant_for_role(self).save(db).await;
+        )).role(self).save(db).await;
 
         Ok(())
     }