Text input duplicates in the TextField when textField.isDelayed is set to true and typing with a Japanese keyboard layout

How to reproduce:
1. Open the attached “IN-87799” project
2. In the Toolbar select “TextFieldTesting” → “ShowWindow”
3. Change your keyboard language to Japanese
4. In the “TextFieldTesting” window input any combination of letters into the input field and press the Enter key
5. Observe the input field

Expected result: The input text will remain unchanged after pressing the enter key
Actual result: The input text is duplicated in the text field

Reproducible with: 2021.3.45f1, 2022.3.52f1, 6000.0.26f1, 6000.1.0a3

Reproduced on: macOS
Not reproduced on: Windows 11

Note: Reproduced it on macOS on both Japanese - Kana and Japanese - Romaji input sources