Added External Link Validation for Admin Menus

[mainulsunvi]

Hello

I’ve completed the changes to block external links in the WordPress admin menu, as discussed in issue #1184

The functionality is working as expected and ensures compliance with plugin directory guidelines.

Kindly review the changes at your convenience. If everything meets your approval, I would greatly appreciate it if we could proceed with merging this into the main branch.

Thanks for your time and consideration!

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Co-authored-by: mainulsunvi <mainulsunvi@git.wordpress.org>
Co-authored-by: davidperezgar <davidperez@git.wordpress.org>
Co-authored-by: ernilambar <nilambar@git.wordpress.org>

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[ernilambar]

After Plugins Team meeting we have decided that we will only check for top level menu:

It is an issue only if it is in the top menu. In submenus it's fine to have docs, support, etc.

[mainulsunvi]

Thank you for your comment, @ernilambar

I appreciate your feedback and will make the necessary adjustments to my code. I'll update you shortly.

[mainulsunvi]

Hi @ernilambar

I updated the code to evaluate only the external links in the top-level admin menu.

[davidperezgar]

Thanks for your contribution! LGTM!

[mainulsunvi]

Hey @ernilambar

I revised my code based on your feedback.

✔ Updated the Version Number from 1.8.0 to 1.9.0.
✔ Revamped the Description Text.
✔ Adjusted the severity level from 9 to 7

Kindly review this and inform me if any adjustments are necessary.

Thank you.