TV checkboxes width is set to fixed narrow width

[theuros]

Bug report

Summary

A simple checkobox list TV is displayed incorrectly in manager. The problem is that some elements have a fixed width value.

Expected behavior

Full width label

Environment

MODX 3.1.2

[smg6511]

@theuros - There's an open PR (#16782) that fixes this issue. If you can give it a review, it will help get the change merged in to the next release.