resource_channels.c: Fix external media data option

Fixed the external media creation handle to handle the 'data' option correctly.

ASTERISK-29629

Change-Id: I22e57fe8ebf3d3e08fb2121aa4a8a52cc62e8129

res/ari/resource_channels.c

@@ -2101,7 +2101,7 @@ static void external_media_rtp_udp(struct ast_ari_channels_external_media_args *
 		0,
 		NULL,
 		args->app,
-		NULL,
+		args->data,
 		NULL,
 		0,
 		variables,
@@ -2151,7 +2151,7 @@ static void external_media_audiosocket_tcp(struct ast_ari_channels_external_medi
 		0,
 		NULL,
 		args->app,
-		NULL,
+		args->data,
 		NULL,
 		0,
 		variables,