[jdk17u-dev] RFR: 8311585: Add JRadioButtonMenuItem to bug8031573.java

[Goetz Lindenmaier]

I backport this for parity with 17.0.10-oracle.

-------------

Commit messages:
 - Backport 4f90abaf17716493bad740dcef76d49f16d69379

Changes: https://git.openjdk.org/jdk17u-dev/pull/1856/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1856&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8311585
  Stats: 24 lines in 1 file changed: 12 ins; 2 del; 10 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1856.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1856/head:pull/1856

PR: https://git.openjdk.org/jdk17u-dev/pull/1856