MAGETWO-55234: Image does not save when edited via right-click and "Insert/Edit Image"

- Merge commit

Author: xmav

lib/web/tiny_mce/plugins/advimage/js/image.js

@@ -184,6 +184,7 @@ var ImageDialog = {
 		tinyMCEPopup.editor.execCommand('mceRepaint');
 		tinyMCEPopup.editor.focus();
 		tinyMCEPopup.close();
+		ed.onChange.dispatch(ed);
 	},
 
 	getAttrib : function(e, at) {