TBIO-3594-c: use selections instead of custom cell
TBIO-3594-c: use selections instead of custom cell

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