#355 fix Avatar uploader jank

[UncleClapton]

Closes #355

Changelog

✨ Additions

• Added styling to sliders
• Added an extended slider component that adds an optional icon to the slider handle

⚡ Changes

• Avatar uploader now have slider marks for both zoom and rotation
• Avatar uploader will now only show the uploader and crop tool independently
• Avatars now detect API avatars correctly

🐛 Fixes

• Security headers for safari have been fixed (A bug introduced upon adopting next-safe)

Additional Information

Contributor's Checklist

• This PR was created to resolve an existing issue or set of issues.
• This PR satisfies any and all acceptance criteria laid out by issue(s) it resolves.
• I have discussed creating this PR with the maintainers in the issue(s) beforehand.
• I have thoroughly tested the changes this PR introduces in a local development environment.
• I have linted the entire codebase using yarn lint and confirmed there are no errors or warnings.
• I have followed the commit conventions laid out by CONTRIBUTING.md.

Maintainer's Checklist

• User-facing changes this PR introduces has been or will be documented in CHANGELOG.md.
• This PR has been linted and tested locally as a part of the review process.
• All issues this PR resolves have been properly linked before merging.