fix: bad contrast for "clear filters" button on hover in dark mode

[PavelPancocha]

What version of Unfold are you using?

0.47.0

Did you checked changelog/commit history, if the bug is not already fixed?

Yes

Did you searched other issues, if the bug is not already fixed?

Yes

Are you able to replicate the bug in the demo site?

Yes, see: https://demo.unfoldadmin.com/en/admin/formula/driver/?status__exact=ACTIVE

https://www.loom.com/share/e8e0c0ecb2fe42f3adc9d68ee75bbb6f

Describe your issue

When setting the filters on model change list in dark mode, the contrast of the button and text "clear filters" is really bad:

[chetan102]

hi i want to fix this issue , Can u assign this issue to me ?