[jfx17u] RFR: 8313711: Cherry-pick WebKit 616.1 stabilization fixes

[Johan Vos]

8313711: Cherry-pick WebKit 616.1 stabilization fixes
Reviewed-by: kcr, sykora

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Commit messages:
 - 8313711: Cherry-pick WebKit 616.1 stabilization fixes

Changes: https://git.openjdk.org/jfx17u/pull/142/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx17u&pr=142&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8313711
  Stats: 637 lines in 88 files changed: 320 ins; 150 del; 167 mod
  Patch: https://git.openjdk.org/jfx17u/pull/142.diff
  Fetch: git fetch https://git.openjdk.org/jfx17u.git pull/142/head:pull/142

PR: https://git.openjdk.org/jfx17u/pull/142