Scripts/HoS: update Maiden of Grief
Core/Movement: Fixed vehicle passengers disappearing clientside

Closes #11411
Misc:

* Tools: Fixed a compile warning
* Commands: Fixed npcflag format in .npc info
Core/Entities: add some log messages in CheckCreatureTemplate
* Happy Error Spam
DB: update some creature templates
Voller Merge von TW Uldu
Merge branch 'master' of https://github.com/TrinityCore/TrinityCore