Call-Swarm/Rdv: wrong audio is attached

Scenario

• In a call swarm (alice is the host), bob calls
• Alice is detached, but audio is playing

Expected

Alice should not ear anything, Bob should not ear alice

added media BacklogHigh swarm bug labels

marked this issue as blocking #953

added SprintIn progress label and removed BacklogHigh label

added SprintTo review label and removed SprintIn progress label

closed

removed SprintTo review label

mentioned in commit f2d8c57f

mentioned in commit 54200eb1