Backport of state: ensure that identical manual virtual IP updates result in not bumping the modify indexes into release/1.20.x#21969

rboyer merged 6 commits intorelease/1.20.xhashicorp/consul:release/1.20.xfrom

backport/rboyer/fix-manual-vip-writes/jointly-sweet-dingohashicorp/consul:backport/rboyer/fix-manual-vip-writes/jointly-sweet-dingoCopy head branch name to clipboard