style(buttons): remove conflicting !important style from Dashboard App

[Arsalanulhaq]

Summary

This pull request makes a minor update to the styling in DashboardApp.vue, specifically by removing the !important flag from the background-color property for hover, focus, and active states as it conflicts with the dashboard buttons (specifically weather) active state.

Before:

After:

TODO

• ...

Checklist

• Code is properly formatted
• Sign-off message is added to all commits
• Tests (unit, integration, api and/or acceptance) are included
• Screenshots before/after for front-end changes
• Documentation (manuals or wiki) has been updated or is not required
• Backports requested where applicable (ex: critical bugfixes)
• Labels added where applicable (ex: bug/enhancement, 3. to review, feature component)
• Milestone added for target branch/version (ex: 32.x for stable32)

AI (if applicable)

• The content of this PR was partly or fully generated using AI

[susnux]

screenshots do not look like they are from current master?

Also I cannot reproduce the issue you try to fix, unpatched current master:

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