[BUGFIX] Improve the formatting of help of the CommandController

This aligns the description of the command line options.

Resolves: #59372
Releases: 6.2
Change-Id: I474f8415d3ed62d583553f915edc3caa8189a803
Reviewed-on: https://review.typo3.org/30594
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters
Reviewed-by: Markus Klein
Tested-by: Markus Klein