Bluetooth: CAP: Commander: Verify src_id when receive states are updated

[Thalley]

Summary

The cap_commander_broadcast_assistant_recv_state_cb in cap_commander.c always assumes that the updated receive state is the one that was updated due to a change from our side.

Describe the solution you'd like

In the of a CAP Acceptor having multiple receive states, any one of them can change at any time, with or without a request from us. The help ensure correctness we need to compare the src_id of the receive state we have received an update for, with the src_id that is in our parameters.

In the case of adding a source via bt_cap_commander_broadcast_reception_start we do not have the src_id and we should compare the other fields (i.e. the tuple of {broadcast_id, addr_type and sid} which constitutes a unique receive state as per BAP.

Alternatives

No response

Additional Context

No response