[BUGFIX] Install Tool System environment warning badges look ugly

The badges are now aligned and don't jump around when
the menu entry is selected. The left menu gets more room.

Releases: 6.2
Resolves: #51997
Change-Id: Ia9eb44467243781677df6a8046d6c2c864e70ad8
Reviewed-on: https://review.typo3.org/23824
Reviewed-by: Stefan Neufeind
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn