[jdk21u-dev] RFR: 8321220: JFR: RecordedClass reports incorrect modifiers

[Neethu Prasad]

**Notes**
Backport of [JDK-8321220](https://bugs.openjdk.org/browse/JDK-8321220).

Fix for the bug where JFR RecordedClass reports incorrect modifiers.

**Verification**

* Ran,TestRecordedClass, jdk_jfr, Tier 1, Tier 2 tests.

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Commit messages:
 - Backport d5f59cf0a8efe8d0f2d8ab1a5bd68fa9fe15fb1a

Changes: https://git.openjdk.org/jdk21u-dev/pull/736/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=736&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8321220
  Stats: 116 lines in 2 files changed: 115 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/736.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/736/head:pull/736

PR: https://git.openjdk.org/jdk21u-dev/pull/736