Fix query tag to use the normalized query

[justiniso]

What does this PR do?

This causes a bug in display of the query tag that includes comments. Unfortunately, I can't add proper tests because it calls the datadog_agent API and the stub doesn't provide actual obfuscation.

Motivation

Additional Notes

Review checklist (to be filled by reviewers)

• Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• PR title must be written as a CHANGELOG entry (see why)
• Files changes must correspond to the primary purpose of the PR as described in the title (small unrelated changes should have their own PR)
• PR must have changelog/ and integration/ labels attached

[codecov]

Codecov Report

Merging #7982 (cf109b0) into master (78877d5) will increase coverage by 1.22%.
The diff coverage is 100.00%.

Impacted Files	Coverage Δ
postgres/datadog_checks/postgres/statements.py	73.49% <100.00%> (ø)
...s_dev/tests/tooling/config_validator/test_utils.py
openstack/datadog_checks/openstack/openstack.py
gunicorn/tests/common.py
envoy/datadog_checks/envoy/envoy.py
cassandra_nodetool/tests/common.py
clickhouse/tests/utils.py
...os_master/datadog_checks/mesos_master/__about__.py
network/datadog_checks/network/__about__.py
kubelet/datadog_checks/kubelet/summary.py
... and 913 more