[Feature Request] Use Static Cameras as Separate Viewports

So lets say I have this camera in my scene that I use in the game, but for my purposes (which I imagine is not uncommon in Side Scrolling or 2D projects) I want to take the camera I placed in the scene and see what the game looks like through that lens.

Okay, you might say, just click the camera in the scene and pin the view to the viewport, easy.

But I want to take that concept a step further. I would like it so I can pop out that pinned view to it’s own separate view-port which I can then move to my second screen so that I can adjust my game on a full 1080p scale like my game is in real time, rather than having to start the game in a new window every time I want to check if the changes I made are good or not.