Core/Phases: Rebuild the terrain swaps whenever a quest's status changes.

Author: @Subv

src/server/game/Entities/Player/Player.cpp

@@ -16122,6 +16122,8 @@ void Player::SetQuestStatus(uint32 questId, QuestStatus status, bool update /*=
         m_QuestStatusSave[questId] = QUEST_DEFAULT_SAVE_TYPE;
     }
 
+    RebuildTerrainSwaps();
+
     if (update)
         SendQuestUpdate(questId);