fix: Fix categories not being shown when editing

app/src/main/java/com/p_vacho/neat_calendar/activities/CreateEventActivity.kt

@@ -223,10 +223,9 @@ class CreateEventActivity : AppCompatActivity() {
                     eventCategories.clear() // should be empty, but it doesn't hurt
                     eventCategories.addAll(newEventCategories)
 
-                    // TODO: For some reason, the categories still aren't shown here
-
                     @Suppress("NotifyDataSetChanged")
                     categoryRecyclerView.adapter!!.notifyDataSetChanged()
+                    updateCategoryView()
                 }
             }
         }