DB/Items: Fix some startup errors

Updates #11587
DB/Quest: Fix Bride of the Embalmer

By untaught closes #11546
Core/Battlegrounds: Fix invalidated iterator crash

Partially revert e1bee86ee6f5c3ab7b1da6d1b54c98c2851f11ec and restore 9ba3d07fc22864daa51b2faf327ac3336569e463 to store battleground queues as std::list instead of std::deque because deque::erase() invalidates all iterators.
DB/Items: Fix some startup errors

Updates #11587
- Core/Scripts: Implement achievement Hadronox Denied based on Trista's work
Sync mit TW
Merge branch 'master' of https://github.com/TrinityCore/TrinityCore