Core/Enum: Updated Opcodes to 0x0 in preparation for 5.4.7 also added CMSG_AUTH_SESSION, CMSG_CHAR_ENUM, CMSG_READY_FOR_ACCOUNT_DATA_TIMES, SMSG_ACCOUNT_DATA_TIMES, SMSG_AUTH_RESPONSE & SMSG_CHAR_ENUM for 5.4.7.17807

Signed-off-by: AriDEV <aridev666@gmail.com>