fix(bar): positioning and category isolation for bar charts with stacked axes#12222

michael-stubenvoll-heller wants to merge 1 commit intochartjs:masterchartjs/Chart.js:masterfrom

michael-stubenvoll-heller:fix-bar-charts-with-scale-stackmichael-stubenvoll-heller/Chart.js:fix-bar-charts-with-scale-stackCopy head branch name to clipboard