RFR: 8334124: Rendering issues with CSS "text-shadow" in WebView [v3]

[Oliver Schmidtmer]

> On a Shadow state update with cleared shadow, the new values were not transmitted to the Java GraphicsDecoder

Oliver Schmidtmer has updated the pull request incrementally with one additional commit since the last revision:

  Requested changes from review

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Changes:
  - all: https://git.openjdk.org/jfx/pull/1547/files
  - new: https://git.openjdk.org/jfx/pull/1547/files/c0e4adcb..831aa443

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jfx&pr=1547&range=02
 - incr: https://webrevs.openjdk.org/?repo=jfx&pr=1547&range=01-02

  Stats: 9 lines in 2 files changed: 0 ins; 3 del; 6 mod
  Patch: https://git.openjdk.org/jfx/pull/1547.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1547/head:pull/1547

PR: https://git.openjdk.org/jfx/pull/1547