Fixed bug caused by me forgetting what types im using (invites appearing at the bottom of the list instead of the top when priority sorting was off)

src/RoomInfoListItem.cpp

@@ -338,7 +338,7 @@ enum NotificationImportance : short
         Invite             = 3
 };
 
-unsigned short int
+short int
 RoomInfoListItem::calculateImportance() const
 {
         // Returns the degree of importance of the unread messages in the room.

src/RoomInfoListItem.h

@@ -72,7 +72,7 @@ public:
         void updateUnreadMessageCount(int count, int highlightedCount);
         void clearUnreadMessageCount() { updateUnreadMessageCount(0, 0); };
 
-        unsigned short int calculateImportance() const;
+        short int calculateImportance() const;
 
         QString roomId() { return roomId_; }
         bool isPressed() const { return isPressed_; }