Settings: Fix input and select alignments

[n7studios]

Summary

Fixes alignment of the input and select fields on the Settings screen.

WordPress 7.0, Before:

WordPress 7.0, After:

WordPress 6.2.8, Before:

WordPress 6.2.8, After:

Testing

Existing tests pass. Manual checks performed across the settings screen to confirm no breaking changes.

Checklist

• I have written a test and included it in this PR
• I have run all tests and they pass
• The code passes when running the PHP CodeSniffer
• Code meets WordPress Coding Standards for PHP, HTML, CSS and JS
• Security and Sanitization requirements have been followed
• I have assigned a reviewer or two to review this PR (if you're not sure who to assign, we can do this step for you)