fix(fcm): reject empty message batches before dispatch - #986

fix(fcm): reject empty message batches before dispatch#986

Shubham-Padkonde wants to merge 2 commits into

firebase:mainfirebase/firebase-admin-python:mainfrom

Shubham-Padkonde:codex-fcm-empty-batchShubham-Padkonde/firebase-admin-python:codex-fcm-empty-batchCopy head branch name to clipboard