chore(ui): Rename TimelineInnerState::add_event to `add_or_update_e…

…vent`.

This patch renames `add_event` to `add_or_update_event` because it is
what it does.

crates/matrix-sdk-ui/src/timeline/inner/state.rs

@@ -501,8 +501,9 @@ impl TimelineInnerStateTransaction<'_> {
  timestamp: Some(event.origin_server_ts()),
  visible: false,
  };
- let _event_added =
- self.add_event(event_meta, position, room_data_provider, settings).await;
+ let _event_added_or_updated = self
+ .add_or_update_event(event_meta, position, room_data_provider, settings)
+ .await;
 
  return HandleEventResult::default();
  }
@@ -527,8 +528,8 @@ impl TimelineInnerStateTransaction<'_> {
  timestamp,
  visible: false,
  };
- let _event_added = self
- .add_event(event_meta, position, room_data_provider, settings)
+ let _event_added_or_updated = self
+ .add_or_update_event(event_meta, position, room_data_provider, settings)
  .await;
  }
 
@@ -547,11 +548,12 @@ impl TimelineInnerStateTransaction<'_> {
  visible: should_add,
  };
 
- let event_added = self.add_event(event_meta, position, room_data_provider, settings).await;
+ let event_added_or_updated =
+ self.add_or_update_event(event_meta, position, room_data_provider, settings).await;
 
- // If the event has not been added, it's because it's a duplicated event. Let's
- // return early.
- if !event_added {
+ // If the event has not been added or updated, it's because it's a duplicated
+ // event. Let's return early.
+ if !event_added_or_updated {
  return HandleEventResult::default();
  }
 
@@ -647,14 +649,15 @@ impl TimelineInnerStateTransaction<'_> {
  items.commit();
  }
 
- /// Add an event in the [`TimelineInnerMeta::all_events`] collection.
+ /// Add or update an event in the [`TimelineInnerMeta::all_events`]
+ /// collection.
  ///
  /// This method also adjusts read receipt if needed.
  ///
- /// It returns `true` if the event has been added, `false` otherwise. The
- /// latter happens if the event already exists, i.e. if an existing event is
- /// requested to be added.
- async fn add_event<P: RoomDataProvider>(
+ /// It returns `true` if the event has been added or updated, `false`
+ /// otherwise. The latter happens if the event already exists, i.e. if
+ /// an existing event is requested to be added.
+ async fn add_or_update_event<P: RoomDataProvider>(
  &mut self,
  event_meta: FullEventMeta<'_>,
  position: TimelineItemPosition,