Fix user list

matrix/rooms/room.go

@@ -399,10 +399,14 @@ func (room *Room) createMemberCache() map[string]*mautrix.Member {
 	if events != nil {
 		for userID, event := range events {
 			member := &event.Content.Member
+			member.Membership = event.Content.Membership
+			if len(member.Displayname) == 0 {
+				member.Displayname = userID
+			}
 			if room.firstMemberCache == nil && userID != room.SessionUserID {
 				room.firstMemberCache = member
 			}
-			if member.Membership != "leave" {
+			if member.Membership == mautrix.MembershipJoin || member.Membership == mautrix.MembershipInvite {
 				cache[userID] = member
 			}
 		}

matrix/sync.go

@@ -207,6 +207,7 @@ func (s *GomuksSyncer) GetFilterJSON(userID string) json.RawMessage {
 					"m.room.topic",
 					"m.room.canonical_alias",
 					"m.room.aliases",
+					"m.room.power_levels",
 				},
 			},
 			Timeline: mautrix.FilterPart{
@@ -217,6 +218,7 @@ func (s *GomuksSyncer) GetFilterJSON(userID string) json.RawMessage {
 					"m.room.topic",
 					"m.room.canonical_alias",
 					"m.room.aliases",
+					"m.room.power_levels",
 				},
 				Limit: 50,
 			},