Fix metric collection missing update of property

[SkafteNicki]

What does this PR do?

Fixes #1051

Before submitting

• Was this discussed/approved via a Github issue? (no need for typos and docs improvements)
• Did you read the contributor guideline, Pull Request section?
• Did you make sure to update the docs?
• Did you write any new necessary tests?

PR review

Anyone in the community is free to review the PR once the tests have passed.
If we didn't discuss your PR in Github issues there's a high chance it will not be merged.

Did you have fun?

Make sure you had fun coding 🙃

[codecov]

Codecov Report

Merging #1052 (ebd7079) into master (8263e27) will increase coverage by 0%.
The diff coverage is 100%.

@@          Coverage Diff           @@
##           master   #1052   +/-   ##
======================================
  Coverage      95%     95%           
======================================
  Files         181     181           
  Lines        8004    8007    +3     
======================================
+ Hits         7582    7585    +3     
  Misses        422     422