Scripting/Multi: Some cleanup.
Core/Quests: Fixed icon shown above questgivers with daily quests that have already been completed once by a character

Closes #11331
Core/Quests: Added stuff missing in previous commit
Build fix
DB/Misc: Fix a couple errors I introduced.
Db/Misc: Fix a few more dup aura errors.
DB/Misc: Fix some more dup aura errors.
Db/Misc: Fix more dup aura messages.
Core/Scripting: Replace casted with cast as casted is not a word.
Core/QuestDef: Well I clicked revert but Git didn't play along.
Scripts/Blood Furnace: Fix crash in Broggok script

Fix a NULL dereference exception in Broggok npc id 17380 script, happening when spawning it outside of an instance.
Fixes #11344
Core/Transports: Fix possible crash

Fix a crash happening when deleting an instance with transports. This case doesn't appear in current sources but could have happened in ICC and HoR.