feat: add missing text field properties

[andrew-bekhiet-solid]

No description provided.

[gemini-code-assist]

Summary of Changes

Hello @andrew-bekhiet-solid, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

I've refactored the LanguageToolTextField widget to directly inherit from Flutter's TextField class. This change significantly enhances the widget's flexibility by exposing all underlying TextField properties, allowing for more comprehensive customization. The primary goal was to make LanguageToolTextField a seamless extension of the standard TextField, ensuring that any property available on a regular TextField can also be used with this grammar-checking variant. This update simplifies the widget's internal structure and makes it more consistent with typical Flutter widget usage patterns.

Highlights

• Architectural Refactoring: The LanguageToolTextField widget now directly extends Flutter's TextField widget, simplifying its architecture and making it behave more like a standard Flutter text input.
• Expanded Property Exposure: All standard properties available on Flutter's TextField widget are now exposed and configurable directly through LanguageToolTextField, providing greater flexibility and control to developers.
• Code Simplification: The internal implementation of LanguageToolTextField was streamlined by passing inherited properties directly to the super constructor, reducing boilerplate and improving maintainability.

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[gemini-code-assist]

Code Review

This pull request refactors LanguageToolTextField to extend TextField directly, aiming to include all of TextField's properties. While this reduces boilerplate, it introduces a significant architectural issue by using inheritance where composition is more appropriate. My main feedback is to revert this to a StatefulWidget that wraps a TextField, which is the idiomatic approach in Flutter. I've also pointed out a minor improvement for the controller override if the current approach is kept.

[illia-romanenko]

There are a couple of changes, please take a look and let me know what you think.

[illia-romanenko]

LGTM

[andrew-bekhiet-solid]

@illia-romanenko You can merge it as I don't have write access to the repo (no merge button)