fix: line break position does not take into account newline characters

[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

#1833

💡 Background and solution

see #1876

When correcting the calculation of line break positions, line breaks were not taken into account, resulting in abnormal display when line breaks existed in the final rendered text.

Before

After

📝 Changelog

Language	Changelog
🇺🇸 English	fix: line break position does not take into account newline characters
🇨🇳 Chinese	fix: 换行位置计算未考虑换行符

☑️ 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 where line break positions were not correctly calculated, leading to display issues when newline characters were present in the rendered text. The fix ensures that newline characters are considered in the calculation, improving text rendering.

Changes

File	Summary
.changeset/sour-hornets-turn.md	Added a changeset entry for the bug fix related to line break positions.
tests/demos/bugfix/textWordWrap.ts	Modified test case to adjust maxLines and wordWrapWidth to reflect the changes in line break handling.
packages/g-lite/src/services/TextService.ts	Updated the text wrapping logic to account for newline characters when calculating line break positions.