Backport of Consul client always logs into the local datacenter into release/1.2.x#2655

hc-github-team-consul-core merged 1 commit intorelease/1.2.xhashicorp/consul-k8s:release/1.2.xfrom

backport/ashwin/NET-1750-fix-bug-in-login-datacenter/conversely-fine-zebrahashicorp/consul-k8s:backport/ashwin/NET-1750-fix-bug-in-login-datacenter/conversely-fine-zebraCopy head branch name to clipboard