git: openjdk/jdk-sandbox: json: Keep track if JN is fp during parse. Avoids partial re-parse to determine if integer or not

[duke]

Changeset: 8b3e956c
Branch: json
Author:    Justin Lu <justin.lu at oracle.com>
Date:      2025-07-17 13:46:00 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/8b3e956c39f498dcb9cadb963d30acbb95d25155

Keep track if JN is fp during parse. Avoids partial re-parse to determine if integer or not

! src/java.base/share/classes/jdk/internal/util/json/JsonNumberImpl.java
! src/java.base/share/classes/jdk/internal/util/json/JsonParser.java