[jdk21u-dev] RFR: 8342576: [macos] AppContentTest still fails after JDK-8341443 for same reason on older macOS versions [v3]

[Goetz Lindenmaier]

> I backport this for parity with 21.0.10-oracle.

Goetz Lindenmaier has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:

 - Merge branch 'master' into goetz_backport_83452576
 - backport ceaa71e73100072b73e8bb8ec57259510e92f1c5
 - backport 85e0e6452d167db2fadd60543f875a6375339604

-------------

Changes:
  - all: https://git.openjdk.org/jdk21u-dev/pull/2443/files
  - new: https://git.openjdk.org/jdk21u-dev/pull/2443/files/d9391bbb..5793a17b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2443&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2443&range=01-02

  Stats: 12815 lines in 80 files changed: 3870 ins; 627 del; 8318 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2443.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2443/head:pull/2443

PR: https://git.openjdk.org/jdk21u-dev/pull/2443