Fix toolbar vertical alignment.
bug #11641 [WebProfilerBundle ] Fix toolbar vertical alignment (blaugueux)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #11641).

Discussion
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[WebProfilerBundle ] Fix toolbar vertical alignment

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        |

Fix the vertical alignment of texts in the toolbar.

This issue appears when a reset css contain ```vertical-align: top/bottom/middle;```

Commits
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65220e7 Fix toolbar vertical alignment.