Fix badge count alignment

## What does this MR do?
Changes the badge count vertical alignment to match the baseline of the adjacent text

## Are there points in the code the reviewer needs to double check?
Shouldn't be

## Why was this MR needed?
Improves UI

## What are the relevant issue numbers?
Closes #21007

## Screenshots (if relevant)
![dSvi6YMmda](/uploads/693285e54cc0ab7093d91c3485a4f636/dSvi6YMmda.gif)
![rCGA65SNg4](/uploads/d8b42a0dbd680b10b4a48affdeb5e799/rCGA65SNg4.gif)

## Does this MR meet the acceptance criteria?

- [x] [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG) entry added
- Tests
  - [x] All builds are passing
- [x] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [x] Branch has no merge conflicts with `master` (if you do - rebase it please)
- [x] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

See merge request !5853