Fix pg_dump COMMENT dependency for separate domain constraints.

The COMMENT should depend on the separately-dumped constraint, not the
domain.  Sufficient restore parallelism might fail the COMMENT command
by issuing it before the constraint exists.  Back-patch to v13, like
commit 0858f0f96e.

Reviewed-by: Álvaro Herrera <alvherre@kurilemu.de>
Discussion: https://postgr.es/m/20250913020233.fa.nmisch@google.com
Backpatch-through: 13

src/bin/pg_dump/pg_dump.c

@@ -18634,7 +18634,7 @@ dumpConstraint(Archive *fout, const ConstraintInfo *coninfo)
 				dumpComment(fout, conprefix->data, qtypname,
 							tyinfo->dobj.namespace->dobj.name,
 							tyinfo->rolname,
-							coninfo->dobj.catId, 0, tyinfo->dobj.dumpId);
+							coninfo->dobj.catId, 0, coninfo->dobj.dumpId);
 				destroyPQExpBuffer(conprefix);
 				free(qtypname);
 			}