Describe the bug

Even if the component has enough space to the left, the bottom border does not cover the component width (the border is an attribute of the vaadin-menu-bar-item/button, not one of the menu-bar itself)

Expected behavior

Minimal reproducible example

No response

Add-on Version

1.0.0

Vaadin Version

14.10.10, 23.3.28, 24.2.6

Additional information

No response