When trying to insert an image in a rich text field (of web content or from a structure) only the URL tab in the item selector is shown, the documents & media tab not.
Steps to reproduce
1.- Create a basic web content
2.- in the content field, click on the image icon of CK editor
The item selectors shows several tabs (Documents and media, URL, and (I'm not sure if it should show a third column called "Web content")
The item selector only shows the URL tab not allowing users to use images stored in sites or asset libraries