:construction: chore(chat.message): updated the getting header length function for chat message
:construction: chore(chat.message): updated the getting header length function for chat message

ASMlover/study,ASMlover/study,ASMlover/study,ASMlover/study,ASMlover/study,ASMlover/study,ASMlover/study,ASMlover/study,ASMlover/study