RFR: 8191963: Path.equals() and File.equals() return true for two different files on Windows

[Brian Burkhalter]

Replace logic in `java.io.WinNTFileSystems.compare(File,File)` with that from `sun.nio.fs.WindowsPath.compareTo(Path)`.

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Commit messages:
 - 8191963: Path.equals() and File.equals() return true for two different files on Windows

Changes: https://git.openjdk.org/jdk/pull/25788/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25788&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8191963
  Stats: 42 lines in 2 files changed: 34 ins; 0 del; 8 mod
  Patch: https://git.openjdk.org/jdk/pull/25788.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25788/head:pull/25788

PR: https://git.openjdk.org/jdk/pull/25788