Keyboard navigation is not working in Firefox

[poojatekwani]

What version of Lightbox2 you are using?
lightbox2-2.11.4

Which browsers and operating systems have you seen the issue on?
Browser: Firefox 133.0.3 (64-bit)
OS: Windows 11

Keyboard navigation is not working in Firefox (works in chrome). I have tried this example - https://lokeshdhakar.com/projects/lightbox2/

Please see attached video - https://github.com/user-attachments/assets/05c1cb20-de72-4757-a967-a6633dae3991