feat: support add global attributes when using Objc api

[zhu-xiaowei]

Description

1. support add global attributes when using Objc api
2. fix test issues

General Checklist

• Added new tests to cover change, if needed
• Build succeeds using Swift Package Manager
• All unit tests pass
• Security oriented best practices and standards are followed (e.g. using input sanitization, principle of least privilege, etc)
• Documentation update for the change if required
• PR title conforms to conventional commit style
• If breaking change, documentation/changelog update with migration instructions

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.82%. Comparing base (6242310) to head (a6b48eb).

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #64   +/-   ##
=======================================
  Coverage   96.81%   96.82%           
=======================================
  Files          35       35           
  Lines        1664     1667    +3     
=======================================
+ Hits         1611     1614    +3     
  Misses         53       53           

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