Research the Korean typing breaks and tests the proposed solution

[Witoso]

📝 Provide detailed reproduction steps (if any)

We have a few reports in typing broken for the Korean

1. #13693
2. #11569

❓ Possible solution

We could test the solution proposed in the: https://github.com/ckeditor/ckeditor5/issues/13693#issuecomment-1567769137

[CKEditorBot]

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[CKEditorBot]

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