Fix up selectors for some config forms list item styles.
Review Request #11032 — Created May 20, 2020 and submitted
This tweaks the selectors for the config forms list item styles to more
specifically distinguish between
<tr>list items. This
helps keep some styles from applying to a
<tr>that shouldn't be
there, cleaning things up quite a bit and avoiding some style
List item actions have also been tweaked to not float if they're not in
<li>, which gives us better control over their presentation.
Tested with both