[8108] Fixed a case in resetting group binds where the actual map reset was done even though it had permanent binds.

This is a temp fix as the function should be rewritten to be more clear / less error prone.
Author: lukaasm

--HG--
branch : trunk

src/game/Group.cpp

@@ -1510,7 +1510,7 @@ void Group::ResetInstances(uint8 method, Player* SendMsgTo)
         bool isEmpty = true;
         // if the map is loaded, reset it
         Map *map = MapManager::Instance().FindMap(p->GetMapId(), p->GetInstanceId());
-        if(map && map->IsDungeon())
+        if(map && map->IsDungeon() && !(method == INSTANCE_RESET_GROUP_DISBAND && !p->CanReset()))
         {
             if(p->CanReset())
                 isEmpty = ((InstanceMap*)map)->Reset(method);