Backport of fix: stop peering delete routine on leader loss into release/1.16.x#17702

hc-github-team-consul-core merged 1 commit intorelease/1.16.xhashicorp/consul:release/1.16.xfrom

backport/dans/fix-namespace-deletion-watch/jolly-novel-aardvarkhashicorp/consul:backport/dans/fix-namespace-deletion-watch/jolly-novel-aardvarkCopy head branch name to clipboard