chore(apps-ui-kit): improve darkmode styles for destructive button

[evavirseda]

Description of change

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Links to any relevant issues

fixes #5928

Type of change

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• Bug fix (a non-breaking change which fixes an issue)
• Enhancement (a non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Fix

How the change has been tested

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Make sure to provide instructions for the maintainer as well as any relevant configurations.

Change checklist

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• I have followed the contribution guidelines for this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• I have checked that new and existing unit tests pass locally with my changes

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4 Skipped Deployments

Name	Status	Preview	Comments	Updated (UTC)
apps-backend	⬜️ Ignored (Inspect)	Visit Preview		Mar 18, 2025 1:23pm
apps-ui-kit	⬜️ Ignored (Inspect)	Visit Preview	💬 Add feedback	Mar 18, 2025 1:23pm
rebased-explorer	⬜️ Ignored (Inspect)	Visit Preview		Mar 18, 2025 1:23pm
wallet-dashboard	⬜️ Ignored (Inspect)	Visit Preview	💬 Add feedback	Mar 18, 2025 1:23pm

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