db/view: Re-implement clustering_prefix_matches()
db/view: Re-implement clustering_prefix_matches()

This patch implements clustering_prefix_matches() in terms of
abstract_restriction::is_satisfied_by() instead of ranges, which
supports filtering just a subset of the clustering columns.

Signed-off-by: Duarte Nunes <a60e8b7496f7715d71354fe4c06dd24017025bf1@scylladb.com>

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