refactor: Realtime Monitoring Counters to TS

[MartinSchoeler]

Part of https://rocketchat.atlassian.net/browse/CORE-633

[dionisio-bot]

Looks like this PR is not ready to merge, because of the following issues:

• This PR is targeting the wrong base branch. It should target 6.13.0, but it targets 6.12.0

Please fix the issues and try again

If you have any trouble, please check the PR guidelines

[changeset-bot]

⚠️ No Changeset found

Latest commit: 2768660

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 59.32%. Comparing base (5c18a1f) to head (2768660).
Report is 4 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop   #33166   +/-   ##
========================================
  Coverage    59.32%   59.32%           
========================================
  Files         2548     2548           
  Lines        63290    63290           
  Branches     14233    14233           
========================================
  Hits         37544    37544           
  Misses       23042    23042           
  Partials      2704     2704           

Flag	Coverage Δ
unit	75.47% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.