TBIO-5098-2: centralise duplicated code into sugar and handle iframe body scroller
TBIO-5098-2: centralise duplicated code into sugar and handle iframe body scroller

FernCreek/tinymce,FernCreek/tinymce,tinymce/tinymce,TeamupCom/tinymce,tinymce/tinymce,FernCreek/tinymce,TeamupCom/tinymce,tinymce/tinymce