RFR: 8313650: Add hasProperties method to MenuItem and Toggle

[Andy Goryachev]

Adding new 
`boolean hasProperties()`
 method to MenuItem and Toggle only.

This change requires CSR.

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Commit messages:
 - test
 - has properties

Changes: https://git.openjdk.org/jfx/pull/1215/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1215&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8313650
  Stats: 32 lines in 3 files changed: 30 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jfx/pull/1215.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1215/head:pull/1215

PR: https://git.openjdk.org/jfx/pull/1215