How to reproduce:
1. Open the attached project "IN-127272"
2. In the Project Window, open the "My Visual Novel Graph"
3. In the Graph window, type a CJK character into any "Dialogue" field
4. While in the field, press the left arrow button on your keyboard
5. Observe the "Dialogue" field
Actual result: Input is duplicated
Expected result: Input is not duplicated
Reproducible with: 0.1.0-exp.1 (6000.3.0a2, 6000.3.1f1), 0.4.0-exp.2 (6000.3.1f1), 6000.4.0b1, 6000.5.0a3
Reproducible on: Windows 11
Not reproducible on: No other environments tested
Notes:
- Tested using Korean and Japanese language basic typing on Windows
- Issue does not reproduce when symbols are pasted