Defer channels where the grant is later than the stable sequence (#2336)
Defer channels where the grant is later than the stable sequence (#2336)

Fixes #2335
ceejatec/sync_gateway,ceejatec/sync_gateway,couchbaselabs/sync_gateway,couchbaselabs/sync_gateway,ceejatec/sync_gateway,tophatch/sync_gateway,tophatch/sync_gateway,tophatch/sync_gateway,couchbaselabs/sync_gateway,tophatch/sync_gateway,couchbaselabs/sync_gateway,ceejatec/sync_gateway