Nad's airpods ran out of battery; it didn't fail over to speakers afterwards

[ara4n]

He had to refresh in order to pick up the default audio, rather than renegotiate as the audio device died.

[robertlong]

Fixed in https://github.com/matrix-org/matrix-js-sdk/commit/7a249e3ef58df4578acb26473c71f1bfb1cf90ec