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

[Brian Burkhalter]

On Tue, 30 Sep 2025 13:26:54 GMT, Alan Bateman <alanb at openjdk.org> wrote:

> [...] changing File means working through the compatibility impact [...]

It's probably not enough, but:
- `java.io.WinNTFileSystem.compare(File,File)` is invoked only by `File.equals`.
- Tier 1-3 tests passed in the mainline CI with this change.

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PR Comment: https://git.openjdk.org/jdk/pull/25788#issuecomment-3362293619