feat(feedback): Add option to disable keyboard resize

[daniel-chou-rainho]

📜 Description

This PR adds a resizeToAvoidBottomInset option to SentryFeedbackOptions to allow developers to control whether the view resizes when the on-screen keyboard appears.

This change is non-breaking as the option defaults to true (the current behavior).

💡 Motivation and Context

The current default behavior for the feedback widget is to resize the view when a text field is focused. This pushes the bottom action buttons ("Send" and "Cancel") up above the keyboard, which can be visually disruptive.

This change introduces an option to disable this resizing, allowing the keyboard to overlay the UI instead.

Click to see UI comparison

Before	After

💚 How did you test it?

1. Manually tested the change in the example app on Android.
2. Verified that setting resizeToAvoidBottomInset to false in the Sentry options resulted in the keyboard overlaying the UI.
3. Verified that the default behavior (true) remained unchanged.
4. Ran the full existing test suite via flutter test to check for any regressions.

📝 Checklist

• I reviewed submitted code
• I added tests to verify changes
• No new PII added or SDK only sends newly added PII if sendDefaultPii is enabled
• I updated the docs if needed
• All tests passing
• No breaking changes

🔮 Next steps

Ready for review.

[buenaflor]

looks good

I'll let @denrase give the final approval

[denrase]

Looks good. Thanks for the detailed description. I merged in main and think we can merge once CI is happy.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.90%. Comparing base (b3c2fc5) to head (6f717b1).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3154      +/-   ##
==========================================
+ Coverage   87.79%   89.90%   +2.11%     
==========================================
  Files         291       96     -195     
  Lines        9887     3429    -6458     
==========================================
- Hits         8680     3083    -5597     
+ Misses       1207      346     -861     

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[denrase]

Tests are only failing due to e2e token.