MT#55283 add extra dtls_connection_cleanup

To release any references early

Change-Id: Ib4417301e4f02fbc7d9f4d77d78cb827bb481726
(cherry picked from commit b85e007ff1)
(cherry picked from commit df2ca24e80)

daemon/media_socket.c

@@ -3316,6 +3316,8 @@ void stream_fd_release(stream_fd *sfd) {
 	if (sfd->socket.fd == -1)
 		return;
 
+	dtls_connection_cleanup(&sfd->dtls);
+
 	{
 		RWLOCK_W(&local_media_socket_endpoints_lock);
 		stream_fd *ent = t_hash_table_lookup(local_media_socket_endpoints, &sfd->socket.local);