Core/Grids: Fix possible crash
Update Whisper pr, missed some logic there
DB/Quests: Fix Valkyrion Must Burn, closes #2595

Replace core script with SAI
DB/Creature: Fix a creature state (visual only)
Merge pull request #9447 from thomas007788/WhisperV2

Update Whisper pr, missed some logic there
DB/Quests: Fix Send Them Packing, closes #6851