#6782 indicated that the desktop data inputmode global attribute data needs updating for desktop Firefox. We should check what the current status of inputmode is (whether behind a preference or not) and update the data, if needed.

https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/inputmode
https://developer.mozilla.org/docs/Web/API/HTMLElement/inputMode