Core/AuctionHouse: Fix issues reported by Coverity
Scripts/Black Temple: Update Mother Shahraz to EventMaps
Scripts/SWP: Update M'uru script to EventMaps/BossAI
Merge pull request #13020 from Nyeriah/wip-muru

Scripts/SWP: Update M'uru script to EventMaps/BossAI
Core/Misc: Kill a white line from last commit and a small change to last sql