fix(threads): pass guild when updating member on THREAD_MEMBERS_UPDATE (#1324)
fix(threads): pass guild when updating member on THREAD_MEMBERS_UPDATE (#1324)

Co-authored-by: bsian03 <b2ccb3dc1c7f3c53de1c32fc1fbae1f0098b6d7f@gmail.com>
abalabahaha/eris