Update our froala helpers
Update our froala helpers

page-objects is now returning a plain DOM node from
findElementWithAssert so I updated this helper to convert it back to
jQuery and then use the helper provided by froala to do the actual
updating of content.

dartajax/frontend,thecoolestguy/frontend,jrjohnson/frontend,jrjohnson/frontend,thecoolestguy/frontend,dartajax/frontend,djvoa12/frontend,ilios/frontend,djvoa12/frontend,ilios/frontend