[jdk25u] RFR: 8365389: Remove static color fields from SwingUtilities3 and WindowsMenuItemUI

[Severin Gehwolf]

Clean backport to JDK 25u to avoid the regression described in JDK-8365625

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Commit messages:
 - Backport 3468c6e5ef7e7592cf9484736ce333fbe0eaf34d

Changes: https://git.openjdk.org/jdk25u/pull/244/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk25u&pr=244&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8365389
  Stats: 78 lines in 6 files changed: 14 ins; 50 del; 14 mod
  Patch: https://git.openjdk.org/jdk25u/pull/244.diff
  Fetch: git fetch https://git.openjdk.org/jdk25u.git pull/244/head:pull/244

PR: https://git.openjdk.org/jdk25u/pull/244