bgpd: Don't mark nexthop as changed if a set next-hop unchanged is applied (backport #21445)#21524

donaldsharp merged 2 commits intostable/10.6FRRouting/frr:stable/10.6from

mergify/bp/stable/10.6/pr-21445FRRouting/frr:mergify/bp/stable/10.6/pr-21445Copy head branch name to clipboard