[jfx23u] RFR: 8337481: File API: file.name contains path instead of name

[Oliver Schmidtmer]

Clean backport of JDK-8337481

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Commit messages:
 - Backport ca70a07b3ee712b1d06baf8a3901e6ae96070124

Changes: https://git.openjdk.org/jfx23u/pull/19/files
  Webrev: https://webrevs.openjdk.org/?repo=jfx23u&pr=19&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8337481
  Stats: 91 lines in 4 files changed: 76 ins; 12 del; 3 mod
  Patch: https://git.openjdk.org/jfx23u/pull/19.diff
  Fetch: git fetch https://git.openjdk.org/jfx23u.git pull/19/head:pull/19

PR: https://git.openjdk.org/jfx23u/pull/19