Support values_to_plot in pl.rank_genes_groups_matrixplot and pl.rank_genes_groups_heatmap (parity with dotplot)

[asmlgkj]

What kind of feature would you like to request?

Additional function parameters / changed functionality / changed defaults?

Please describe your wishes

Summary
pl.rank_genes_groups_dotplot already supports values_to_plot ('scores'|'logfoldchanges'|'pvals'|'pvals_adj'). Please add the same argument to pl.rank_genes_groups_matrixplot and pl.rank_genes_groups_heatmap so we can plot DE metrics (not only mean expression) with the same RGG gene selection logic.

thanks a lot