InvalidAccessError: Answer tried to set recv when offer did not set send

[kngako]

Your environment.

• Version: 4e74cd3
• Browser: Firefox 75.0 (64-bit)
• Other Information - Ubuntu 18.0.4stacktraces, related issues, suggestions how to fix, links for us to have context

What did you do?

Opened a room on 1 device using firefox. And went into that room from a different device using chrome.

What did you expect?

The two devices would stream to each other.

What happened?

The firefox device didn't recieve the stream from the chrome device with the error. InvalidAccessError: Answer tried to set recv when offer did not set send. I could successfully see the stream from the Firefox device on the chrome device.

The error gets thrown on line 142.

https://github.com/pion/ion/blob/4e74cd3c0ab426ecca4570f13ced16ce4535ea65/sdk/js/src/Client.js#L134-L144

[kngako]

Dupe #126

[adwpc]

Make a list here:
#152