PDF - button(s) from in-page forms don't trigger actions

[cfogelSV]

Note

• cross-checking with the interaction of the buttons revealed that, in fact the Print button would trigger the printing action in Chrome/Edge but not in Safari/Firefox;
• the save button doesn't do anything in any browser;

Affected versions

• 81.0b4, 82.0a1 (2020-08-31);

Affected platforms

• macOS 10.15, Windows 10;

Steps to reproduce
pdfjs.renderInteractiveForms - true

1. Launch Firefox;
2. Access https://royalegroupnyc.com/wp-content/uploads/seating_areas/sample_pdf.pdf
3. Scroll down;
4. Click on the Save/Print button(s);

Expected result

• Print/Save button should trigger the Print/Save action(s);

Actual result

• nothing happens;

Regression range

• not a regression;

Additional notes

• S2/S3 as suggested severity.