cql_server::response: rework make_frame()
cql_server::response: rework make_frame()

Use a template function to avoid code duplication.

Signed-off-by: Vlad Zolotarov <976c0f8d0852ed6439ad273880b400a75a7c41d0@cloudius-systems.com>

duarten/scylla,raphaelsc/scylla,scylladb/scylla,duarten/scylla,raphaelsc/scylla,scylladb/scylla,raphaelsc/scylla,avikivity/scylla,kjniemi/scylla,kjniemi/scylla,avikivity/scylla,kjniemi/scylla,scylladb/scylla,duarten/scylla,avikivity/scylla,scylladb/scylla