[ggdesplot] fix spurious colour legend, named-palette fallback, and multi-facet#17

kwstat merged 1 commit into

kwstat:mainkwstat/desplot:mainfrom

SchmidtPaul:fix/ggdesplot-colour-and-facetsSchmidtPaul/desplot:fix/ggdesplot-colour-and-facetsCopy head branch name to clipboard