Changed the root editor container to use the aria application role.
Changed the root editor container to use the aria application role.

tinymce/tinymce,ETSI-CTI/TinySpecMCE,blakewallan/tinymce,kencheung/tinymce,ChristophKaser/tinymce,FernCreek/tinymce,kencheung/tinymce,support-dot-com/tinymce,jashua212/tinymce,jashua212/tinymce,simachewh/tinymce,danielpunkass/tinymce,sjbufton/tinymce,support-dot-com/tinymce,henrythewasp/tinymce,nbcp/tinymce,gencer/tinymce,blakewallan/tinymce,nbcp/tinymce,sjbufton/tinymce,FernCreek/tinymce,gabixdev/tinymce,dziemian007/tinymce,shilpi230/tinymce,TeamupCom/tinymce,MediehusetTek/tinymce,enfold/tinymce,fillabs/TinySpecMCE,adaptiffdesigns/tinymce,pmpl-5/tinymce,Zimbra/tinymce,ikuchmin/tinymce,fhchina/tinymce,Shopify/tinymce,enfold/tinymce,rxl194/tinymce,bsuh/tinymce,Kindling/tinymce,rednose-public/tinymce,rbecheras/tinymce,Kindling/tinymce,gencer/tinymce,bsuh/tinymce,fillabs/TinySpecMCE,M4R7iNP/tinymce,endjin/tinymce,danchr/tinymce,Razzwan/tinymce,danielpunkass/tinymce,rednose-public/tinymce,nikolas/tinymce,1099511627776/tinymce,leofeyer/tinymce,leofeyer/tinymce,sachgits/tinymce,henrythewasp/tinymce,howanghk/tinymce,fashionsun/tinymce,ice8lue/tinymce,sachgits/tinymce,rbecheras/tinymce,aduth/tinymce,ikuchmin/tinymce,gabixdev/tinymce,adaptiffdesigns/tinymce,danchr/tinymce,ETSI-CTI/TinySpecMCE,VioletLife/tinymce,VioletLife/tinymce,1099511627776/tinymce,FernCreek/tinymce,tinymce/tinymce,MediehusetTek/tinymce,dziemian007/tinymce,Razzwan/tinymce,Zimbra/tinymce,fhchina/tinymce,rxl194/tinymce,pmpl-5/tinymce,howanghk/tinymce,simachewh/tinymce,danielpunkass/tinymce,ice8lue/tinymce,endjin/tinymce,aduth/tinymce,TeamupCom/tinymce,tinymce/tinymce,fashionsun/tinymce,shilpi230/tinymce,jtark/tinymce,jtark/tinymce,ChristophKaser/tinymce,M4R7iNP/tinymce,nikolas/tinymce