TW-2858: Hide reaction and pinned message events in chat list (#2859)

Author: nqhhdev

lib/domain/model/room/room_extension.dart

@@ -193,6 +193,18 @@ extension RoomExtension on Room {
               if (b.shouldHideChangedDisplayNameEvent()) {
                 return a;
               }
+              // hide reaction events
+              if (a.type == EventTypes.Reaction ||
+                  a.relationshipType == RelationshipTypes.reaction) {
+                return b;
+              }
+              if (b.type == EventTypes.Reaction ||
+                  b.relationshipType == RelationshipTypes.reaction) {
+                return a;
+              }
+              // hide pinned message events
+              if (a.type == EventTypes.RoomPinnedEvents) return b;
+              if (b.type == EventTypes.RoomPinnedEvents) return a;
               if (a.originServerTs == b.originServerTs) {
                 // if two events have the same sort order we want to give encrypted events a lower priority
                 // This is so that if the same event exists in the state both encrypted *and* unencrypted,
@@ -207,7 +219,11 @@ extension RoomExtension on Room {
 
       if (lastEventAvailableInPreview == null ||
           lastEventAvailableInPreview.shouldHideRedactedEvent() ||
-          lastEventAvailableInPreview.shouldHideBannedEvent()) {
+          lastEventAvailableInPreview.shouldHideBannedEvent() ||
+          lastEventAvailableInPreview.type == EventTypes.Reaction ||
+          lastEventAvailableInPreview.relationshipType ==
+              RelationshipTypes.reaction ||
+          lastEventAvailableInPreview.type == EventTypes.RoomPinnedEvents) {
         final lastState = _getLastestRoomState();
 
         if (lastState == null) return null;
@@ -226,6 +242,13 @@ extension RoomExtension on Room {
           if (messageEvent.shouldHideBannedEvent()) continue;
           if (messageEvent.shouldHideChangedAvatarEvent()) continue;
           if (messageEvent.shouldHideChangedDisplayNameEvent()) continue;
+          // hide reaction events
+          if (messageEvent.type == EventTypes.Reaction) continue;
+          if (messageEvent.relationshipType == RelationshipTypes.reaction) {
+            continue;
+          }
+          // hide pinned message events
+          if (messageEvent.type == EventTypes.RoomPinnedEvents) continue;
 
           if (messageEvent.originServerTs.millisecondsSinceEpoch >
               lastState.originServerTs.millisecondsSinceEpoch) {
@@ -250,6 +273,11 @@ extension RoomExtension on Room {
       if (state is! Event) return;
       if (state.shouldHideRedactedEvent()) return;
       if (state.shouldHideBannedEvent()) return;
+      // hide reaction events
+      if (state.type == EventTypes.Reaction) return;
+      if (state.relationshipType == RelationshipTypes.reaction) return;
+      // hide pinned message events
+      if (state.type == EventTypes.RoomPinnedEvents) return;
       if (state.originServerTs.millisecondsSinceEpoch >
           lastTime.millisecondsSinceEpoch) {
         lastTime = state.originServerTs;