BUG: Index._searchsorted_monotonic(..., side='right') returns the left side position for monotonic decreasing indexes#17272

jreback merged 6 commits intopandas-dev:masterpandas-dev/pandas:masterfrom

jschendel:fix-idx-searchsortedmonotonicjschendel/pandas:fix-idx-searchsortedmonotonicCopy head branch name to clipboard