Reilly Wood c8a07d477f
Fix watch not detecting modifications on Windows (#10109)
Closes #9910 FOR REAL this time.

I had fixed the issue on Linux but not Windows. Context:
https://github.com/nushell/nushell/issues/9910#issuecomment-1689308886

I've tested this PR successfully on Windows, Linux, and macOS by running
`watch . {|a,b| print $a; print $b}` and confirming that it prints once
when I change a file in the current directory.
2023-08-23 19:07:39 -07:00
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