Description:
The issue appears in the content-on-fly module.
When the user tries to create embedded content it is impossible to change the language of new content. After click on change language link, nothing happens.

Steps to reproduce:

1. Create an article. In French for example
2. In the Body field, click on + button contextual menu in the editor and choose Embed.
3. Click on Create tab, choose any content type, a location and click on Confirm selection button.
4. When the create mode of the future embedded content type appears, nothing happens when click on change language to switch the language.