Fix a bug that wrongly trims domains when there is an overlap with DC name (#17160)
* Fix a bug that wrongly trims domains when there is an overlap with DC name
Before this change, when DC name and domain/alt-domain overlap, the domain name incorrectly trimmed from the query.
Example:
Given: datacenter = dc-test, alt-domain = test.consul.
Querying for "test-node.node.dc-test.consul" will faile, because the
code was trimming "test.consul" instead of just ".consul"
This change, fixes the issue by adding dot (.) before trimming
* trimDomain: ensure domain trimmed without modyfing original domains
* update changelog
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Co-authored-by: Alex Simenduev <shamil.si@gmail.com>
