Don't show "failed" error if connection was established before.
Don't show "failed" error if connection was established before.

strukturag/spreed-webrtc,theurere/spreed-webrtc,strukturag/spreed-webrtc,theurere/spreed-webrtc,theurere/spreed-webrtc,theurere/spreed-webrtc,strukturag/spreed-webrtc,theurere/spreed-webrtc,strukturag/spreed-webrtc,theurere/spreed-webrtc,strukturag/spreed-webrtc,strukturag/spreed-webrtc