storage: don't assume replica presence when sending fails
storage: don't assume replica presence when sending fails

Fixes #11777.

maxlang/cockroach,petermattis/cockroach,maxlang/cockroach,maxlang/cockroach,petermattis/cockroach,vaibhavarora/cockroach,glycerine/cockroach,glycerine/cockroach,vaibhavarora/cockroach,maxlang/cockroach,paperstreet/cockroach,petermattis/cockroach,petermattis/cockroach,petermattis/cockroach,vaibhavarora/cockroach,glycerine/cockroach,vaibhavarora/cockroach,vaibhavarora/cockroach,paperstreet/cockroach,petermattis/cockroach,paperstreet/cockroach,glycerine/cockroach,maxlang/cockroach,maxlang/cockroach,glycerine/cockroach,glycerine/cockroach,maxlang/cockroach,vaibhavarora/cockroach,maxlang/cockroach,vaibhavarora/cockroach,paperstreet/cockroach,glycerine/cockroach,paperstreet/cockroach,paperstreet/cockroach,vaibhavarora/cockroach,paperstreet/cockroach,petermattis/cockroach,paperstreet/cockroach,petermattis/cockroach,glycerine/cockroach