[eas-cli] Finally fix Windows not-ignoring files

[sjchmiela]

Why

With toNamespacedPath I was finally able to make ignoring files work properly.

How

Removed if (__NORMALIZE) checks.

Test Plan

Ran eas build:inspect on Windows, confirmed no node_modules was copied. Also ran eas build:inspect on macOS, worked too.

[github-actions]

Subscribed to pull request

File Patterns	Mentions
**/*	@szdziedzic, @khamilowicz, @radoslawkrzemien

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[github-actions]

✅ Thank you for adding the changelog entry!

[github-actions]

Size Change: -814 B (0%)

Total Size: 53.4 MB

Filename	Size	Change
./packages/eas-cli/dist/eas-linux-x64.tar.gz	53.4 MB	-814 B (0%)

_{compressed-size-action}

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.64%. Comparing base (a6fc317) to head (77a2b47).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2894      +/-   ##
==========================================
- Coverage   52.64%   52.64%   -0.00%     
==========================================
  Files         588      588              
  Lines       23191    23186       -5     
  Branches     4857     4854       -3     
==========================================
- Hits        12207    12204       -3     
+ Misses      10018    10016       -2     
  Partials      966      966              

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