Not understanding why, you don't want to "generate a new Teams meeting each time in Outlook."
So, this might miss the mark, but Outlook has a workflow for this: Choosing "reply with meeting" in Outlook would send an Outlook/Teams meeting back to the sender. This will require 2 clicks ("Reply with Meeting" and "Teams Meeting" buttons) this would send a unique ...
There is however a workaround to rotate a video in the new Youtube Studio (even after the Classic Editor button was removed by Google).
It is a bit tricky and I don't know how long it will work.
Here is the way to do it:
Open new Youtube Studio and select the video to edit.
Note down/copy the video-id of your video to rotate.
Create a url with your video-...