TINY-1110, image: make sure that blob has name property, before trying to strip extension
TINY-1110, image: make sure that blob has name property, before trying to strip extension

TeamupCom/tinymce,danielpunkass/tinymce,FernCreek/tinymce,FernCreek/tinymce,TeamupCom/tinymce,leofeyer/tinymce,FernCreek/tinymce,gencer/tinymce,tinymce/tinymce,danielpunkass/tinymce,gencer/tinymce,tinymce/tinymce,danielpunkass/tinymce,leofeyer/tinymce,tinymce/tinymce