[eas-cli] Try fixing ignoring files not working by namespacing paths

[sjchmiela]

Why

fs adds a Win32 File Namespace to the beginning of the path which breaks path.relative if src does not have the namespace.

How

Ensured that running toNamespacedPath on an already namespaced path does not add a second namespace:

> path.win32.toNamespacedPath("D:\\abc")
'\\\\?\\D:\\abc'
> path.win32.toNamespacedPath(path.win32.toNamespacedPath("D:\\abc"))
'\\\\?\\D:\\abc'

Wrapped src and srcFilePath (two arguments to path.relative) with path.toNamespacedPath so path.relative works.

Test Plan

Will release and test.

[github-actions]

Subscribed to pull request

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

Generated by CodeMention

[github-actions]

⏩ The changelog entry check has been skipped since the "no changelog" label is present.

[github-actions]

Size Change: -1.09 kB (0%)

Total Size: 53.4 MB

Filename	Size	Change
./packages/eas-cli/dist/eas-linux-x64.tar.gz	53.4 MB	-1.09 kB (0%)

_{compressed-size-action}

[codecov]

Codecov Report

Attention: Patch coverage is 71.42857% with 2 lines in your changes missing coverage. Please review.

Project coverage is 52.64%. Comparing base (0e7a8bf) to head (83ba3f1).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
packages/eas-cli/src/vcs/local.ts	71.43%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2893      +/-   ##
==========================================
+ Coverage   52.64%   52.64%   +0.01%     
==========================================
  Files         588      588              
  Lines       23187    23191       +4     
  Branches     4856     4857       +1     
==========================================
+ Hits        12204    12207       +3     
- Misses      10017    10018       +1     
  Partials      966      966              

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