Text paragraphs with list-style-type "disc" now show a "List Style" row
in the Inspect Styles and Computed views, after Text Transform. Its copy
action gives "list-style-type: disc;". Text without a list shows no row.
The list item check lives in common as list-paragraph?, so every place
that needs it shares one rule.
Refs #12630
AI-assisted-by: claude-opus-5-5