fix(streaming_err): stop background repair task by force_terminate_repair API
fix(streaming_err): stop background repair task by force_terminate_repair API

After 'nodetool rebuild' is killed, the rebuild task will continue run in
background until complete. We can use force_terminate_repair API to stop the
background rebuild task. Then execute a new 'nodetool rebuild'.

Signed-off-by: Amos Kong <eb01d8f828a6c9a20be4534e72e049aaf41503df@scylladb.com>

scylladb/scylla-longevity-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests,scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests