fix: trigger onZoomStart from pinchStart#810

kurkle merged 1 commit intochartjs:masterchartjs/chartjs-plugin-zoom:masterfrom

ZaLiTHkA:fix/pinch-trigger-on-zoom-startZaLiTHkA/chartjs-plugin-zoom:fix/pinch-trigger-on-zoom-startCopy head branch name to clipboard