fix corner radius with WrapperCell

[catreedle]

Contributor checklist

• This pull request is on a separate branch and not the main branch
• I have tested my code with the xcodebuild and swiftlint --strict commands as directed in the testing section of the contributing guide

---

Description

Add rounded corner styling to table view cells

• Created WrapperCell to wrap XIB-based cells with rounded corners
• Applied to Settings, About, and language settings screens
• First/last cells in sections have rounded corners, middle cells have none

Related issue

• Inconsistent Border radius across the application on iOS 26 Simulator #555

[github-actions]

Thank you for the pull request! 💙

The Scribe-iOS team will do our best to address your contribution as soon as we can. If you're not already a member of our public Matrix community, please consider joining! We'd suggest that you use the Element client as well as Element X for a mobile app, and definitely join the General and iOS rooms once you're in. Also consider attending our bi-weekly Saturday dev syncs. It'd be great to meet you 😊

Note

Scribe uses Conventional Comments in reviews to make sure that communication is as clear as possible.

[github-actions]

Maintainer Checklist

The following is a checklist for maintainers to make sure this process goes as well as possible. Feel free to address the points below yourself in further commits if you realize that actions are needed :)

• The linting and formatting workflows within the PR checks do not indicate new errors in the files changed

• The CI unit test workflows within the PR checks do not indicate new errors in the files changed

• The CHANGELOG has been updated with a description of the changes for the upcoming release and the corresponding issue (if necessary)