[jfx17u] RFR: 8367578: Additional WebKit 622.1 fixes from WebKitGTK 2.48.7

Thu Jan 22 20:44:22 UTC 2026

Hi all,

This pull request contains a backport of commit [adb6c11e](https://github.com/openjdk/jfx/commit/adb6c11e34c6e08e158e8a9ec6aa769ad9de9a4e) from the [openjdk/jfx](https://git.openjdk.org/jfx) repository.

The commit being backported was authored by Jay Bhaskar on 13 Oct 2025 and was reviewed by Kevin Rushforth and Joeri Sykora.

Thanks!

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Commit messages:
 - Backport adb6c11e34c6e08e158e8a9ec6aa769ad9de9a4e

Changes: https://git.openjdk.org/jfx17u/pull/247/files
  Webrev: https://webrevs.openjdk.org/?repo=jfx17u&pr=247&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8367578
  Stats: 233 lines in 41 files changed: 141 ins; 36 del; 56 mod
  Patch: https://git.openjdk.org/jfx17u/pull/247.diff
  Fetch: git fetch https://git.openjdk.org/jfx17u.git pull/247/head:pull/247

PR: https://git.openjdk.org/jfx17u/pull/247