Cursor gets stuck and cannot go down using down key

[adamsarek]

Describe the bug
When I paste some text and then move cursor by keys, at some point cursor cannot go any lower.

To Reproduce
Steps to reproduce the behavior:

1. Paste text into suneditor
2. Move by keys up
3. Move by keys down
4. Cannot go any lower

Expected behavior
Cursor can move freely by keys.

Screenshots

Desktop (please complete the following information):

• OS: Windows 11
• Browser Chrome
• Version 140.0.7339.208