Asks the taxonomy seam for the colours of a category / sub-category pill badge.
Returns null — an uncoloured pill, exactly as before — whenever the seam is
absent, the surface has not set colorBadges, the field is not one of the
layer's taxonomy columns, or no colour resolves. The colours come back already
validated, so the caller can assign them straight to the DOM.
Asks the taxonomy seam for the colours of a category / sub-category pill badge.
Returns
null— an uncoloured pill, exactly as before — whenever the seam is absent, the surface has not setcolorBadges, the field is not one of the layer's taxonomy columns, or no colour resolves. The colours come back already validated, so the caller can assign them straight to the DOM.