devtools: make bolt12-cli print blinded paths properly.

Print the first_node_id field, and do it all on one line per path.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

devtools/bolt12-cli.c

@@ -267,14 +267,13 @@ static bool print_blindedpaths(const char *fieldname,
 
 	for (size_t i = 0; i < tal_count(paths); i++) {
 		struct onionmsg_hop **p = paths[i]->path;
-		printf("%s %zu/%zu: blinding %s",
+		printf("%s %zu/%zu: blinding %s ",
 		       fieldname,
 		       i, tal_count(paths),
-		       fmt_pubkey(tmpctx,
-				      &paths[i]->blinding));
-		printf("%s %zu/%zu: path ",
-		       fieldname,
-		       i, tal_count(paths));
+		       fmt_pubkey(tmpctx, &paths[i]->blinding));
+		printf("first_node_id %s ",
+		       fmt_sciddir_or_pubkey(tmpctx, &paths[i]->first_node_id));
+		printf("path ");
 		for (size_t j = 0; j < tal_count(p); j++) {
 			printf(" %s:%s",
 			       fmt_pubkey(tmpctx,