Core/Quests: Automatically add quests with AUTO_PUSH flag to player

Port From (https://github.com/TrinityCore/TrinityCore/commit/db6eb694656c58a817a965e2f5c85874e9c92d12)

Source/Game/Entities/Player/Player.DB.cs

@@ -3222,6 +3222,8 @@ namespace Game.Entities
 
             m_achievementSys.CheckAllAchievementCriteria(this);
             m_questObjectiveCriteriaMgr.CheckAllQuestObjectiveCriteria(this);
+
+            PushQuests();
             return true;
         }