repair: Add repair_get_row_diff_with_rpc_stream_handler
repair: Add repair_get_row_diff_with_rpc_stream_handler

It is the handler for the get_row_diff rpc stream verb on the receiving
side.

scylladb/scylla,scylladb/scylla,avikivity/scylla,scylladb/scylla,avikivity/scylla,scylladb/scylla,avikivity/scylla