desktop audio being recorded through microphone

I just updated OBS on MacOS yesterday to the most recent version. I had no issues prior to yesterday when it came to the separation of my mic and my desktop audio in my mixer. I use a UA Apollo audio interface with a mic. My advanced audio properties show that my mic and desktop audio are both...

I've been trying to figure out this problem for a while now and no thread I've seen so far has helped at all. Basically, I use OBS strictly to record audio but whenever sound is picked up on the desktop channel, it gets recorded through my mic as well. When I'm in voice calls, people can't hear...