Yes. In this setup the device is plugged into a USB-C monitor that has a keyboard and mouse connected to it. The standard phone display is still useable during this.

Get something like this and boom, your phone is a desktop. https://www.amazon.com/Anker-Multi-Port-Splitter-Delivery-Included/dp/B0DXJQT19B

What I'd still miss to use it as Laptop replacement is an attached harddisk for more space. Or is this possible already?