Doors snapping to existing frames

So, an example… in Highrise condo, you have a bunch of door frames with no doors on them. I’d like to see the ability that if you go to drag a door onto an already existing frame (where a door would normally be positioned) that it could snap to it, instead of having to find the coordinates and inch it into position (also considering its at an angle).
Also, with the option of having said door open either direction.

tl;dr: Make doors snap into empty door frames, even ones baked into builds.