DB/Creature: Spawn Thalorien Dawnseeker's remains

Closes #11017
Core/Players: Fixed trainers still displaying profession skills after learning

Closes #8103
Core/Misc: Fix coverity analysis issues
Core: Fix typo in 316d9a5ce89b1a21a22b4ef038d9c76e91e0e948
Core/Dependencies: Upgrade to jemalloc-3.6.0
Merge branch 'master' of github.com:TrinityCore/TrinityCore into 4.3.4

Conflicts:
	src/server/game/Entities/Player/Player.cpp
	src/server/game/Entities/Unit/Unit.cpp