Disable WebRTC (request to also block SDP Log visible in WebRTC Browserleaks test)

### Issue Details

Block WebRTC
Open:

https://browserleaks.com/webrtc

SDP Log is visible.

### Proposed solution

SDP Log should be blocked

### Alternative solution

I tried using in the user rules this scriptlet:

#%#//scriptlet('nowebrtc')

But it does not always work.
As the pictures show:

scriptlet that fails its work:


scriptlet OK: