bgpd: Send route update when modifying access/aspath/prefix lists

bgpd: Send route update when modifying access/aspath/prefix lists

Handle ORF REMOVE_ALL events as well, because now we just silently return, and
a stale dynamic prefix-list is used instead of the new one.

Before this, soft clear/route refresh was needed. Don't know the reason, but
we didn't send updates when modifying the filters.

Probably due to a massive change of filters and to avoid automatic updates :/

Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>