Add Sentry.isEnabled() to common code

[buenaflor]

📜 Description

Add bridge toisEnabled()

💡 Motivation and Context

Closes #272

💚 How did you test it?

Unit test

📝 Checklist

You have to check all boxes before merging:

• I reviewed the submitted code.
• I added tests to verify the changes.
• No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled.
• I updated the docs if needed.
• Review from the native team if needed.
• No breaking change or entry added to the changelog.

🔮 Next steps

[github-actions]

	Messages
📖	Do not forget to update Sentry-docs with your feature once the pull request gets approved.

Generated by 🚫 dangerJS against 33d13a7

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.52%. Comparing base (7715854) to head (33d13a7).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #273      +/-   ##
==========================================
+ Coverage   75.43%   75.52%   +0.08%     
==========================================
  Files          38       38              
  Lines         574      576       +2     
  Branches       85       85              
==========================================
+ Hits          433      435       +2     
  Misses         96       96              
  Partials       45       45              

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