Merge pull request #10636 from ton31337/fix/use_get_set_for_communities

bgpd: Reuse get/set helpers for attr->community

diff --cc bgpd/bgp_evpn_vty.c
Simple merge

diff --cc bgpd/bgp_fsm.c
Simple merge

diff --cc bgpd/bgp_route.c
Simple merge

diff --cc bgpd/bgp_routemap.c
Simple merge

diff --cc bgpd/bgp_zebra.c
Simple merge