RFR: 8345004: Backout fix for JDK-8226990

[Abhishek Kumar]

The fix for [JDK-8226990](https://bugs.openjdk.org/browse/JDK-8226990) causes regression in dark theme for GTK L&F on Ubuntu system and that results in manual test failures identified recently.

Few of the changes made in [JDK-8226990](https://bugs.openjdk.org/browse/JDK-8226990) is further modified in [JDK-8335130](https://bugs.openjdk.org/browse/JDK-8335130).

Backing out the overall fix to prevent any regression.

CI testing after revert is fine.

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Commit messages:
 - Backout fix for JDK-8226990 and JDK-8335130

Changes: https://git.openjdk.org/jdk/pull/22379/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22379&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8345004
  Stats: 100 lines in 5 files changed: 4 ins; 66 del; 30 mod
  Patch: https://git.openjdk.org/jdk/pull/22379.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22379/head:pull/22379

PR: https://git.openjdk.org/jdk/pull/22379