When a view's PK only contains the columns that form the base's PK,
then the liveness of a particular view row is determined not only by
the base row's marker, but also by the selected and, more importantly,
unselected columns. So, process base updates to columns unselected by
any of its views.
Refs #3362
Signed-off-by: Duarte Nunes <duarte@scylladb.com>