feat(ui): colorize boolean cell span for better clarity

[danicaleroo]

What / Why

I've always felt that boolean cells could be more readable if they used standard colors to better differentiate true and false values.

Changes introduced

• Added a data-checked attribute to the <code /> element to store corresponding boolean value.
• Added data-checked scoped styles to color its badge accordingly.

Behavior after the fix

• true badges use --theme-success color (blue)
• false badges use --theme--error color (red).

How to test manually

1. Run pnpm dev fields or similar
2. Navigate to any collection list view where a checkbox field is used (with either true or false value).

Screenshot