feat(trusted-tester-bugs): Fix All Button in More Info Dialog in High Contrast Mode

[AhmedAbdoOrtiga]

Description of changes

Description of changes
Problem:
"Inspect HTML", "Copy failure details" and "File issue" buttons are not visible in high contrast black theme in the injected more info dialog.

Solution:
"Inspect HTML", "Copy failure details" and "File issue" buttons should be visible in high contrast black theme.

Before:

After":

Pull request checklist

• Addresses an existing issue: #0000
• Ran yarn fastpass
• Added/updated relevant unit test(s) (and ran yarn test)
• Verified code coverage for the changes made. Check coverage report at: <rootDir>/test-results/unit/coverage
• PR title AND final merge commit title both start with a semantic tag (fix:, chore:, feat(feature-name):, refactor:). See CONTRIBUTING.md.
• (UI changes only) Added screenshots/GIFs to description above
• (UI changes only) Verified usability with NVDA/JAWS