Call force_emit_batches once per stream manager
Call force_emit_batches once per stream manager

(cherry picked from commit 0f458acaad8b0ec8fe0af600372c861726387703)

actor-framework/actor-framework,actor-framework/actor-framework,DavadDi/actor-framework,DavadDi/actor-framework,DavadDi/actor-framework,actor-framework/actor-framework,actor-framework/actor-framework,DavadDi/actor-framework