Add width limit to notification banners

[Vespe-r]

Description

Adds a limit to the width of the notification banner, so that it doesn't take up the entire width on larger screens unnecessarily.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of 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
• My changes generate no new warnings

[dozro]

looks good to me :3

[dozro]

@Vespe-r a changeset is missing :3

see: https://github.com/SableClient/Sable/actions/runs/23073140938/job/67039016437?pr=253

just something like:

---
default: patch
---

Add width limit to notification banners

should be enough

[7w1]

@dozro @Vespe-r changesets use default: patch instead of sable: patch now :3

[dozro]

@dozro @Vespe-r changesets use default: patch instead of sable: patch now :3

ohhh, ooops