Fix highlighted room when opening room from notification

src/roomlistmodel.cpp

@@ -496,3 +496,8 @@ NeoChatRoom *RoomListModel::roomByAliasOrId(const QString &aliasOrId)
     }
     return nullptr;
 }
+
+int RoomListModel::indexForRoom(NeoChatRoom *room) const
+{
+    return m_rooms.indexOf(room);
+}

src/roomlistmodel.h

@@ -73,6 +73,7 @@ public:
     Q_INVOKABLE [[nodiscard]] static QString categoryIconName(int section);
     Q_INVOKABLE void setCategoryVisible(int category, bool visible);
     Q_INVOKABLE [[nodiscard]] bool categoryVisible(int category) const;
+    Q_INVOKABLE [[nodiscard]] int indexForRoom(NeoChatRoom *room) const;
 
     [[nodiscard]] int notificationCount() const
     {