[BUG] Text is truncated when specific characters are included

[ohsakura0]

Describe the bug
When loading a file containing specific characters like "小" or "踏" in the text editor, the text at and after that character is truncated.

To Reproduce
Steps to reproduce the behavior:

1. Create a new project and set the language to Japanese.
2. Open Tutorial.msbt using the Text Editor.
3. Open CapStepJump_Explain (or any entry containing characters like "小" or "踏").
4. The text is truncated after those specific characters.

Expected behavior
The text should be displayed correctly without any truncation.

Screenshots
In game

In MoonFlow

Device:

• OS: Windows 11

Additional context
This might be an encoding-related issue.