Quest 4901 "Guardians of the Altar"
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
Scripts/Commands: Add .list mail $char/$guid command

Prints a list of mails received by the characters

Closs #9421
Core/DB: Fix a table name in CHAR_SEL_MAIL_LIST_INFO
Core: Fix warnings
Fixed TOC faction champions loot chest (Now it will be selectable after spawning).
Merge pull request #9470 from Visagalis/visagalis

[TOC faction champions fix] Loot chest is now selectable after spawning.
Closes #9164
Fix mismatching new/delete
Merge pull request #9472 from jacob-baines/mismatch

Fix mismatching new/delete
Core/Misc: Do not use singleton when calling to static function ChooseDisplayId (and remove unused parameter)
Core/Account: Remove unused helper functions
Core/Misc: Define multiple functions const (+ code cleanup here and there)
Merge pull request #8734 from blipi/guardians_altar

Quest 4901 "Guardians of the Altar"
SQLS: Rename sql file after PR merge
Core/AI: Do not expose internal storage of SummonList
Core/Scripts: Removed CAST_PLR define