fix: text wrapping boundary cases

[wang1212]

🤔 This is a ...

• New feature
• Bug fix
• Site / Document optimization
• TypeScript definition update
• Refactoring
• Performance improvement
• Code style optimization
• Test Case
• Branch merge
• Other (about what?)

🔗 Related issue link

#1876

💡 Background and solution

#1876

📝 Changelog

Language	Changelog
🇺🇸 English	fix: text wrapping boundary cases
🇨🇳 Chinese	fix: 文本换行边界条件

☑️ Self Check before Merge

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• TypeScript definition is updated/provided or not needed
• Changelog is provided or not needed

[petercat-assistant]

Walkthrough

This pull request addresses a bug fix related to text wrapping boundary cases. The changes ensure that text does not overflow by default and corrects the logic for appending ellipses and calculating character indices when text exceeds the width threshold.

Changes

Files	Summary
.changeset/ten-impalas-type.md	Added a changeset file to document the patch for text wrapping boundary cases.
packages/g-lite/src/services/TextService.ts	Adjusted logic to prevent text overflow and correct character index handling when appending ellipses. Added a console log for debugging font settings.