chore: fair screen fixes

[MounirDhahri]

This PR resolves []

Description

Since we have a major upcoming fair - I thought it's about time to fix the issues in the screen as well as allow users to share the fair link. Below is a list of changes:

• Fix broken tap on Read more
• Add Share fair URL
• Fix broken padding between sections
• Remove additional separator
• Add nestedScrollEnabled for a small performance improvements (I doubt it will be noticeable but better have it than not)
• Align sort and filter experience with other screens (show number of artwork in bold instead of Showing X artwork)
• Use Screen component in both Fair and FairInfoscreens.
• Fix back button covering content in both Fair and FairInfo screens

Before	After

PR Checklist

• [x] I have tested my changes on iOS and Android.
• [x] I hid my changes behind a feature flag, or they don't need one.
• [x] I have included screenshots or videos, or I have not changed the UI.
• [x] I have added tests, or my changes don't require any.
• [x] I added an app state migration, or my changes do not require one.
• [x] I have documented any follow-up work that this PR will require, or it does not require any.
• [x] I have added a changelog entry below, or my changes do not require one.

To the reviewers 👀

• [ ] I would like at least one of the reviewers to run this PR on the simulator or device.

Changelog updates

### Changelog updates #### Cross-platform user-facing changes - fix fair screen outstanding issues - mounir #### iOS user-facing changes - #### Android user-facing changes - #### Dev changes -

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[ArtsyOpenSource]

This PR contains the following changes:

• Cross-platform user-facing changes (fix fair screen outstanding issues - mounir)

  Generated by :no_entry_sign: dangerJS against 0e453d08f6f89e3b4a9ffe7ccd7a446f97541992

[MounirDhahri]

Feel free to merge this @araujobarret when you feel ready

[araujobarret]

I think I'll merge this to main but will pick your changes individually into my Fair branch, otherwise if I cherry-pick yours, once I cherry-pick mine I'll need to make conflict resolution in the release branch