RFR: 8326458: Menu mnemonic doesn't toggle between show and hide in Windows LAF when F10 is pressed. [v4]

[Abhishek Kumar]

> Menu mnemonic doesn't toggle between show and hide state when F10 is pressed. Behavior is not similar to windows native application. Fix is to ensure that menu mnemonic state toggles between show and hide.
> 
> Can be verified with SwingSet2 application. 
> CI tests are green with the fix. Link posted in JBS.

Abhishek Kumar has updated the pull request incrementally with one additional commit since the last revision:

  Test case added

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Changes:
  - all: https://git.openjdk.org/jdk/pull/17961/files
  - new: https://git.openjdk.org/jdk/pull/17961/files/5a0643f5..3adc468d

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=17961&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=17961&range=02-03

  Stats: 136 lines in 2 files changed: 133 ins; 3 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/17961.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17961/head:pull/17961

PR: https://git.openjdk.org/jdk/pull/17961