fix hyperlink text encoding
fix hyperlink text encoding

see issue https://github.com/SheetJS/js-xlsx/issues/684
iCasa/js-xlsx,SheetJS/js-xlsx,thien-thach/searchFromExcel,SheetJS/js-xlsx,iCasa/js-xlsx,iCasa/js-xlsx,SheetJS/js-xlsx,SheetJS/js-xlsx,iCasa/js-xlsx,thien-thach/searchFromExcel