Corrupted display of polish letters in forms

[felindev]

Attach (recommended) or Link to PDF file here: Empty.pdf Microsoft Edge.pdf Firefox.pdf

Configuration:

• Web browser and its version: Firefox 104.0.2
• Operating system and its version: Windows 10 21H2
• PDF.js version: (built-in)
• Is a browser extension: (built-in)

Steps to reproduce the problem:

1. Create PDF in any app (e.g. Adobe Acrobat, PDF-XChange Editor) and add forms
2. Fill data with polish characters (ą, ć, ę, ł, ń, ó, ś, ź, ż)
3. Open in any other app

What is the expected behavior? (add screenshot) (Filled in Edge, opened in it) (Filled in Acrobat, opened in Edge)

What went wrong? (add screenshot) (Filled in Firefox, opened in Edge) (Filled in Firefox, opened in Acrobat Reader)

Link to a viewer (if hosted on a site other than mozilla.github.io/pdf.js or as Firefox/Chrome extension):

• Using Firefox version 104.0.2

[Snuffleupagus]

Duplicate of #12264