Chore: Migrate ShareView to Typescript

[reinaldonetof]

Proposed changes

Issue(s)

How to test or reproduce

• Try to share something with the Rocket Chat App.
• Test sharing only one file and with multiple files too
• Also you should be able to share files with your previous conversations
• Check if the thumb attachment and preview attachment are showing correctly
• Furthermore, check if the Attachment View to see images inside the normal app is working properly

Screenshots

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• Improvement (non-breaking change which improves a current function)
• New feature (non-breaking change which adds functionality)
• Documentation update (if none of the other choices apply)

Checklist

• I have read the CONTRIBUTING doc
• I have signed the CLA
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works (if applicable)
• I have added necessary documentation (if applicable)
• Any dependent changes have been merged and published in downstream modules

Further comments

[AlexAlexandre]

For everyone's knowledge, here is a link about changing the .ios.tsx and .android.tsx files

https://stackoverflow.com/a/59972215

#3459 (comment)

[AlexAlexandre]

LGTM :)