DB/Misc: Fix some runtime errors

Also spawns 2 missing doors on Old Hyjal, this doors needs to be
scripted.
-TrinityCore
DB/Spawns: Add missing Gameobjects into The Shattered Halls

Note: some doors needs to be scripted after this.
-TrinityCore
Db/Wintergraps:

Fix Gameobjects Wintergraps despawn wall fix
Closes#2