feat: Add ParseXFile for cross-platform XFile support

[mbfakourii]

Pull Request

• Report security issues confidentially.
• Any contribution is under this license.
• Link this pull request to an issue.

Issue

Add ParseXFile for support XFile.

Closes: #989

Approach

Tasks

• Add tests
• Add changes to documentation (guides, repository pages, code comments)

[parse-github-assistant]

Thanks for opening this pull request!

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 64 lines in your changes are missing coverage. Please review.

Project coverage is 43.37%. Comparing base (540b127) to head (09289a6).

Files	Patch %	Lines
packages/dart/lib/src/objects/parse_x_file.dart	0.00%	62 Missing ⚠️
packages/dart/lib/src/objects/parse_file.dart	0.00%	1 Missing ⚠️
packages/dart/lib/src/objects/parse_file_web.dart	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #990      +/-   ##
==========================================
- Coverage   44.16%   43.37%   -0.80%     
==========================================
  Files          60       61       +1     
  Lines        3401     3463      +62     
==========================================
  Hits         1502     1502              
- Misses       1899     1961      +62     

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[mtrezza]

Is this ready for merge?

[mbfakourii]

Is this ready for merge?

Yes, I think it is ready to merge.

[mtrezza]

Looks good!

[mtrezza]

I just noticed that the docs workflow was skipped; shouldn't docs be published?

https://github.com/parse-community/Parse-SDK-Flutter/actions/runs/8493279325/job/23267194136

[mbfakourii]

I just noticed that the docs workflow was skipped; shouldn't docs be published?

https://github.com/parse-community/Parse-SDK-Flutter/actions/runs/8493279325/job/23267194136

I think this section had a problem in ci.

[mtrezza]

I tried to run it manually but it also wouldn't run. I'll look into it. #991