feat: focus input on search tab tap

[MounirDhahri]

This PR resolves []

Description

PR Checklist

• I have tested my changes on iOS and Android.
• I hid my changes behind a feature flag, or they don't need one.
• I have included screenshots or videos, or I have not changed the UI.
• I have added tests, or my changes don't require any.
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[artsy-peril]

	Warnings
⚠️	Please assign someone to merge this PR, and optionally include people who should review.

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