feat: bottom safe area inset handling based on NavigationBar type (gesture vs. soft keys)

[chrispader]

@lakchote @mountiny

Explanation of Change

This PR introduces new logic to determine whether on Android we're using a "soft keys" navigation bar (three buttons) or gesture bar.

Based on #54285 (Step 1)

Delta changes: https://github.com/margelo/expensify-app-fork/pull/26/files

Fixed Issues

$
PROPOSAL:

Tests

• Verify that no errors appear in the JS console

Offline tests

QA Steps

// TODO: These must be filled out, or the issue title must include "[No QA]."

• Verify that no errors appear in the JS console

PR Author Checklist

• I linked the correct issue in the ### Fixed Issues section above
• I wrote clear testing steps that cover the changes made in this PR
  • I added steps for local testing in the Tests section
  • I added steps for the expected offline behavior in the Offline steps section
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  • Android: mWeb Chrome
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Screenshots/Videos

Android: Native

Android: mWeb Chrome

iOS: Native

iOS: mWeb Safari

MacOS: Chrome / Safari

MacOS: Desktop

[melvin-bot]

Hey! I see that you made changes to our Form component. Make sure to update the docs in FORMS.md accordingly. Cheers!

[mountiny]

@chrispader what is your ETA for this one? Would be great to wrap it up. Thanks!

[chrispader]

@chrispader what is your ETA for this one? Would be great to wrap it up. Thanks!

@mountiny i'm working on it right now. I'd like to finish this up by either Wednesday or by EOW.

The first PR which removes the includeSafeAreaPaddingBottom prop completely is already ready

In this PR, i'll need to check every screen and apply bottom safe area handling locally in the scrollable content or on bottom-docked components there.