Support Flutter 3.44 text input changes

[john-unger]

Adds compatibility for Flutter 3.44 text input API changes, updates deprecated text input style handling, and fixes the pt_BR ARB filename so localization generation succeeds.

[Amir-P]

Hi @john-unger, thanks for contributing! I think you also need to update the .github/workflows/fleather.yml to use the latest Flutter version for running the workflow. Other than, it looks good to me.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.11%. Comparing base (ebd507e) to head (cd0eb02).

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #583      +/-   ##
==========================================
+ Coverage   85.72%   88.11%   +2.39%     
==========================================
  Files          50       63      +13     
  Lines        8096    10899    +2803     
==========================================
+ Hits         6940     9604    +2664     
- Misses       1156     1295     +139     

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[john-unger]

thank you @Amir-P i have made that update, and fixed the locale issue on the GHA with pt-BR. Can you take it from here?

[amantoux]

I have a small comment, can you please check?

[amantoux]

Flutter's EditableTextState implements this method with

@override
bool onFocusReceived() {
  if (mounted && !_hasFocus && widget.focusNode.canRequestFocus) {
    widget.focusNode.requestFocus();
    return true;
  }
  return false;
}

Should we implement something similar?

[amantoux]

LGTM, thanks