QuarterYearPicker: align selected styling with other pickers and fix multi-select highlighting#5972

martijnrusschen merged 2 commits intoHacker0x01:mainHacker0x01/react-datepicker:mainfrom

qburst:fix/quarter-picker-selectorqburst/react-datepicker-3:fix/quarter-picker-selectorCopy head branch name to clipboard