RFR: 8280982: [Wayland] [XWayland] java.awt.Robot taking screenshots

[Alexander Zvegintsev]

This PR is to make it easier to review documentation changes from #13803 and also covers the following issues

https://bugs.openjdk.org/browse/JDK-8280982 [Wayland] [XWayland] java.awt.Robot taking screenshots
https://bugs.openjdk.org/browse/JDK-8280995 [XWayland] Robot.mouseMove does not visually move mouse cursor
https://bugs.openjdk.org/browse/JDK-8280990 [XWayland] XTest emulated mouse click does not bring window to front.
https://bugs.openjdk.org/browse/JDK-8280988 [XWayland] Click on title to request focus test failures

[Doc changes](https://github.com/openjdk/jdk/pull/13804/commits/bddf9683065175eba352f4a88806a7bed16f5e4c) are on top of #13803

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Commit messages:
 - Merge branch 'X11_compatibility_screencast' into X11_compatibility_screencast_docs
 - replace tabs with spaces
 - doc changes
 - main changes
 - add pipewire header files

Changes: https://git.openjdk.org/jdk/pull/13804/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=13804&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8280982
  Stats: 14325 lines in 107 files changed: 14283 ins; 18 del; 24 mod
  Patch: https://git.openjdk.org/jdk/pull/13804.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13804/head:pull/13804

PR: https://git.openjdk.org/jdk/pull/13804