RFR: 8158801: [TEST_BUG] Mixing tests fail because of focus workaround trick [v45]

[Khalid Boulanouare]

> Many Mixing tests failed because the work around click lands on the minimizing area in the window control and causes the tests to fail.
> 
> This fix changes the width of base frames which allows most of tests to pass.

Khalid Boulanouare has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 67 commits:

 - Merge branch 'master' into jdk-8158801
 - Merge branch 'openjdk:master' into jdk-8158801
 - Merge branch 'openjdk:master' into jdk-8158801
 - Removes uncessary import and adds blank lines between import blocks
 - Makes inherited method final
 - Removes unnecessary URL
 - Fixes a typo
 - Removes unncessary boolean variable, line and import
 - Merge branch 'openjdk:master' into jdk-8158801
 - Cleans up code for move visibility
 - ... and 57 more: https://git.openjdk.org/jdk/compare/a99f340e...109c8f00

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Changes: https://git.openjdk.org/jdk/pull/25971/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25971&range=44
  Stats: 202 lines in 14 files changed: 96 ins; 71 del; 35 mod
  Patch: https://git.openjdk.org/jdk/pull/25971.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25971/head:pull/25971

PR: https://git.openjdk.org/jdk/pull/25971