Apple - How to open a Zoom link in a non-browser app without being prompted?
Have you tried rewriting the URL so that it uses the zoommtg:// protocol?
You rewrite a URL of this format ...
... like this:
If you have the Zoom app/client installed on a Mac, using URLs with the
zoommtg protocol should cause them to open directly in the Zoom app, no matter where the URL is clicked from. Personally, I use this URL format in the Notes field of Calendar events, and it works great.