Cannot attach video to posts AND edit toolbar dissapears

[subversivespeed]

https://screencast.autodesk.com/Embed/Timeline/70240367-3535-4b41-9f98-8270e7632494

Also, when I attempt to attach a video, it does this nonsense.

[subversivespeed]

https://knowledge.autodesk.com/community/screencast/9fedb12d-8f32-4e54-beee-0f56e713e834

Here is the video post invalid HTML issue.