[BUG] Sidebar Styling Improvements

[Meteony]

Please confirm these before moving forward

• I have searched for my issue and have not found a work-in-progress/duplicate/resolved issue.
• I have tested that this issue has not been fixed in the latest (beta or stable) release.
• I have checked the FAQ section for solutions.
• This issue is about a bug (if it is not, please use the correct template).

UniGetUI Version

Newest

Windows version, edition, and architecture

Win11 25h2

Describe your issue

There are a few icon inconsistencies with the current UI. For example:

Those aren't the same icon as the original. The straight corners don't match the design language of the rest of the UI.

The sidebar icons also have too little vertical spacing compared to previous design. This makes everything look too crammed which could have easily been fixed with a little bit of padding.

Comparison:

Steps to reproduce the issue

No response

UniGetUI Log

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Package Managers Logs

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Relevant information

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Screenshots and videos

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[GabrielDuf]

Hi,
I replaced the icons with ones that better match the rest of the app. Unfortunately, I couldn't use the exact icons from WinUI.

The original icons came from Segoe Fluent Icons, the font that ships with Windows. WinUI references those glyphs directly without bundling any artwork.

Since UniGetUI is now cross-platform (Avalonia), that Windows-only font isn't available, so the icons need to be bundled as SVGs instead. We also can't extract the Segoe glyphs, as the font is proprietary and redistributing its artwork in an open-source project would violate its license.

Instead, I used Fluent System Icons, Microsoft's MIT-licensed icon set in the same design language, along with a couple of custom-drawn icons where there wasn't an equivalent. This keeps the look consistent while remaining cross-platform and license-compliant.