fix(info): do not raise the buttons above the navigation bar

[criticalAY]

Purpose / Description

We don't need bottom button clearance here sorry about that so updating the code and test

Fixes

• Fixes [BUG] Buttons on the 'Info' screen have been raised #21583

Approach

ref commit

How Has This Been Tested?

Learning (optional, can help others)

Mistakes happen :)

Checklist

Please, go through these checks before submitting the PR.

• You have a descriptive commit message with a short title (first line, max 50 chars).
• You have commented your code, particularly in hard-to-understand areas
• You have performed a self-review of your own code
• UI changes: include screenshots of all affected screens (in particular showing any new or changed strings)
• UI Changes: You have tested your change using the Google Accessibility Scanner

[github-actions]

Snapshot diff report vs main. Open screenshot-diff for diffs.

• InfoScreenshotTest: 1 change

All 1 changed screenshots

InfoScreenshotTest

• gesture_navigation_compare.png

[david-allison]

LGTM

I had Fable give it a shot, and it defined a new bottomCornerClearance method which took a margin parameter.

I prefer this approach - less generic, but much simpler to understand.