Quest 4901 "Guardians of the Altar"
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
Core/Scripts: Removed CAST_CRE define
Core/Pets: Remove unnecesary member variable (m_owner)
Core: More functions moved to const
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/server/game/Entities/Player/Player.cpp
	src/server/scripts/Northrend/Ulduar/Ulduar/boss_freya.cpp
	src/server/scripts/Northrend/Ulduar/Ulduar/boss_hodir.cpp
	src/server/scripts/Northrend/Ulduar/Ulduar/boss_kologarn.cpp