Notepads: [Bug] The content of very large files is partially hidden

[juliandavidmr]

Describe the bug

The content of very large files is partially hidden.

To Reproduce
Opening a very large file, this problem occurred when opening a file that contains a json with more than 46 thousand lines.

Expected behavior
I have a file that contains 46.694 lines, opening this file shows only part of it.

In the second screenshot I have selected the hidden content to demonstrate that there is hidden text.

Screenshots
Screenshot 1:

Screenshot 2:

Desktop (please complete the following information):

• OS: Windows 10
• Version 1.3.9.0

Additional context
Add any other context about the problem here.

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[JasonStein]

Known issue:
https://github.com/microsoft/microsoft-ui-xaml/issues/1842
https://github.com/JasonStein/Notepads/issues/6
https://github.com/microsoft/microsoft-ui-xaml/issues/1989
https://github.com/microsoft/microsoft-ui-xaml/issues/2097