shared/bap: Fix not being able to reconfigure Broadcast Source

This fixes not being able to reconfigure broadcast source due to it
being in Releasing:

bluetoothd[37]: src/shared/bap.c:stream_set_state_broadcast() stream
0x8919e0 dir 0x00: streaming -> releasing
bluetoothd[37]: profiles/audio/bap.c:setup_new() ep 0x8802d0 setup
0x88d3e0
bluetoothd[37]: src/shared/bap.c:bt_bap_stream_new() Unable to find
unused ASE

src/shared/bap.c

@@ -1379,6 +1379,7 @@ static void stream_set_state_broadcast(struct bt_bap_stream *stream,
 		break;
 	case BT_ASCS_ASE_STATE_RELEASING:
 		bap_stream_io_detach(stream);
+		stream_set_state_broadcast(stream, BT_BAP_STREAM_STATE_QOS);
 		break;
 	}