general autoplot for mlr3filters

[bblodfon]

Every Filter from mlr3filters, after it has been $calculate()'d, we have a sorted data.table with (features,scores). We currently support a barplot code. A ranking plot would also be nice? eg see below,taken from a paper that apply a threshold as well - for many features, names on the x-axis makes no sense to me:

@be-marc what do you think?