Make character BP collide with camera instead of SpringArm?

Hi there fellow developers.
I saw that the character blueprint that comes by default in the 3rd person blueprint actually checks for collision with the spring arm that controls the rotation, but what I want is for the character to only use the camera as the collision. Here some drawing to explain myself:

This is what the current 3rd person blueprint does

And this is what I want it to do.

The lines represent rotation movement, by the way.

Thanks in advance for your answers!