It seems so, as the video is in an IME iframe, and I don't see the video in standard mode either in Firefox 103, but I see it in both modes on today's nightly (where that bug was just fixed). So let's close this as fixed for now.
Bug 1786460 Comment 2 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
It seems so, as the video is in an IMA iframe, and I don't see the video in standard mode either in Firefox 103, but I see it in both modes on today's nightly (where that bug was just fixed). So let's close this as fixed for now.