ROX-30390: Adjust grafana dashboards to recent changes

[vikin91]

Description

The diff should be readable. I mainly wanted to correct the legend that shows now open and closed instead of closedTS=true - this was applied to few places.

User-facing documentation

• CHANGELOG.md is updated OR update is not needed
• documentation PR is created and is linked above OR is not needed

Testing and quality

• the change is production ready: the change is GA, or otherwise the functionality is gated by a feature flag
• CI results are inspected

Automated testing

• added unit tests
• added e2e tests
• added regression tests
• added compatibility tests
• modified existing tests

How I validated my change

• Visually in grafana

[vikin91]

This change is part of the following stack:

• ROX-30390: Adjust grafana dashboards to recent changes #16789 ◀
  • ROX-30390: Add grafana dashboard for Update Computer #16790

_{Change managed by git-spice.}

[openshift-ci]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
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[rhacs-bot]

Images are ready for the commit at b3f0899.

To use with deploy scripts, first export MAIN_IMAGE_TAG=4.9.x-760-gb3f089914b.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 48.80%. Comparing base (510074c) to head (b3f0899).
⚠️ Report is 5 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #16789   +/-   ##
=======================================
  Coverage   48.80%   48.80%           
=======================================
  Files        2681     2681           
  Lines      200443   200443           
=======================================
+ Hits        97824    97825    +1     
+ Misses      95011    95010    -1     
  Partials     7608     7608           

Flag	Coverage Δ
go-unit-tests	48.80% <ø> (+<0.01%)	⬆️

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