[BUGFIX] Fix insufficient color contrast of reset button

Since #94046, the reset buttons, used in the EXT:beuser and
EXT:redirects modules, have an insufficient color contrast and
are therefore changed to `btn-link`, restoring the previous
display.

Resolves: #94070
Related: #94046
Releases: master
Change-Id: I115174b5ccff513064c7cea1266fbd6be22cfb58
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/69032


Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Benni Mack <benni@typo3.org>