Steps to reproduce
- Go to Project:Sandbox
- Click edit (make sure this leads to visualeditor)
- Click insert in toolbar
- Click the Media button
- Enter a file name that isn't an image such as audio, video (e.g. "example.ogg")
- Click the audio or media item in the list
Expected output
A button to insert "media" with the label "Use this media" .
Actual output
A button with the label "Use this image".