App: [$250] Migrate AttachmentPicker/index.native.js to function component

Class Component Migration

Filenames

• src/components/AttachmentPicker/index.native.js
  • type: React.Component
  • has state values: true
  • has refs: false
  • has context: false
  • lifecycle methods: none

Task

• We currently have some class components in our codebase that we would like to refactor to a function component.
• Here’s a link with some general advice on how to refactor a class component to a function component: https://react.dev/reference/react/Component#alternatives
• If you need additional guidance, please ask in #expensify-open-source
• Test for any regressions and verify that there are no breaking changes