PhpStorm opens git bash in a separate window than the IDE!

I recently switched to macOS (before that I was a Windows user) and installed PhpStorm and set everything up as I wanted except I ran into a small problem that is not really a problem but more of an inconvenience...

Every time I open the terminal in PhpStorm it opens the macOS terminal in a new window but I want to use the one in the IDE.

What settings do I have to change or where have I messed up that this is happening?

Those are the settings in PhpStorm: