Add TextStyle properties: overflow, word_spacing, baseline

[ndonkoHenri]

Closes #3231

Summary by Sourcery

This pull request introduces new properties overflow, word_spacing, and baseline to the TextStyle class, enhancing text styling capabilities. Additionally, utility functions for parsing text properties have been refactored to support default values.

• New Features:
  • Added overflow, word_spacing, and baseline properties to TextStyle in both Dart and Python implementations.
• Enhancements:
  • Refactored utility functions to accept default values for text properties like TextAlign, TextOverflow, TextCapitalization, and TextBaseline.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request adds new properties (overflow, word_spacing, baseline) to the TextStyle class in the Flet library. The changes include modifications to the text parsing utilities in Dart and updates to the Python SDK to support these new properties.

File-Level Changes

Files	Changes
sdk/python/packages/flet-core/src/flet_core/text_style.py sdk/python/packages/flet-core/src/flet_core/text.py	Refactored enums and extended TextStyle class to support new properties.

---

Tips

• Trigger a new Sourcery review by commenting @sourcery-ai review on the pull request.
• You can change your review settings at any time by accessing your dashboard:
  • Enable or disable the Sourcery-generated pull request summary or reviewer's guide;
  • Change the review language;
• You can always contact us if you have any questions or feedback.

[sourcery-ai]

Hey @ndonkoHenri - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟡 General issues: 4 issues found
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good

---

Sourcery is free for open source - if you like our reviews please consider sharing them ✨

• X
• Mastodon
• LinkedIn
• Facebook

_{Help me be more useful! Please click 👍 or 👎 on each comment to tell me if it was helpful.}

[sourcery-ai]

issue (bug_risk): Check for null values in JSON parsing.

Ensure that parseDouble and other parsing functions handle null values gracefully to avoid potential runtime errors.