git: openjdk/jdk-sandbox: json: Updates to JsonString.toString/value

[duke]

Changeset: 8fbdd114
Branch: json
Author:    Justin Lu <justin.lu at oracle.com>
Date:      2025-07-01 10:30:58 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/8fbdd114a26173a0b3e5302bec61d0610dc4138d

Updates to JsonString.toString/value

! src/java.base/share/classes/java/util/json/Json.java
! src/java.base/share/classes/java/util/json/JsonObject.java
! src/java.base/share/classes/java/util/json/JsonString.java
! src/java.base/share/classes/jdk/internal/util/json/JsonParser.java
! src/java.base/share/classes/jdk/internal/util/json/JsonStringImpl.java
! src/java.base/share/classes/jdk/internal/util/json/Utils.java
! test/jdk/java/util/json/TestJsonObject.java
! test/jdk/java/util/json/TestJsonString.java