When typing Korean in Slate using FTextInputMethodContext, characters outside a specific range are not entered

Descriptions

After getting the below message

LogTextStoreACP: Verbose: GetTextExt - From 33 to 34

A line break past that range is inserted. However, when typing Korean, the correct range is not selected. Instead, it remains fixed at 'From 33 to 34' , which prevents Korean input.

Additional Notes

Even after the bug occurs, Korean input still works when typing before position 33. ([Link Removed])

The same issue also occurs in the default Editable Text and Editable Text (Multi Line) widgets

Steps to Reproduce

1. Open the Level Blueprint.

2. Enter log LogTextStoreACP Verbose in the console to enable log output.

3. Press C to create a comment.

4. Inside the comment, keep typing Korean until 'GetTextExt - From 33 to 34' message appears.

5. Insert a line break.

6. Type in Korea.

Expected

Korean input should be entered normally.

Actual

Korean input no longer works in the comment.