Description

Fixes #30113, or at least an aspect discovered in that ticket.

When you create submenus, the submenus should stay visible while you're creating them.

This was not the case after you reached a certain level:

This PR increases the importance of the rules to make that happen:

To explain in a more techinal level, you can see the rules here that are supposed to keep the submenu visible, but being overridden:

The new rules make it so they do not get overridden:

How has this been tested?

Please insert a navigation menu and start empty. Insert a page link, then point it to a page.

Now click the "Add submenu" button in the toolbar, and add a bunch of submenus. While you are creating this monster, observe that the monster stays visible for the whole duration.

Checklist:

• My code is tested.
• My code follows the WordPress code style.
• My code follows the accessibility standards.
• I've tested my changes with keyboard and screen readers.
• My code has proper inline documentation.
• I've included developer documentation if appropriate.
• I've updated all React Native files affected by any refactorings/renamings in this PR.