Core/Auras: Fixed SPELL_AURA_CAST_WHILE_WALKING
Core/PacketIO: Fixed structure of SMSG_UPDATE_OBJECT CreateObject block for objects on transports/vehicles
Core/PacketIO: Enabled CMSG_REQUEST_VEHICLE_SWITCH_SEAT and fixed client crashes when moving on vehicles

Closes #9622
Core/Spells: Fixed category cooldowns
Core/Auras: Implemented SPELL_AURA_MOD_SPELL_CATEGORY_COOLDOWN
Core/Guilds: Fixed Guild XP per day cap.