git: openjdk/jdk-sandbox: json: Correct array node path logic

[duke]

Changeset: 6c8024a1
Branch: json
Author:    Justin Lu <justin.lu at oracle.com>
Date:      2025-08-13 08:05:02 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/6c8024a160583843ad02234136ad361b30c6fada

Correct array node path logic

! src/java.base/share/classes/jdk/internal/util/json/Utils.java
! test/jdk/java/util/json/TestAssertion.java