Call-Swarm fix audio binding

Scenario

• Alice hosts a call-swarm between Alice/Bob/Carla

Expected result

• Bob should hear carla

Current result

• Carla and Bob can't communicate by audio, but Alice got all audio

added media swarm labels

assigned to @cberthet

assigned to @sblin

added sprintto review label

https://review.jami.net/c/jami-daemon/+/25841

mentioned in commit 80be6f46

removed sprintto review label

closed