Project manager opens on wrong screen when exiting from editor

### Tested versions

4.5 beta3 and earlier

### System information

W10

### Issue description

When you use Project -> Quit to Project List option, the project manager will always open on the first screen.

There relevant code is here:
https://github.com/godotengine/godot/blob/d7cc121e6469d0d998bf214e3a87e37961e6f1bb/editor/editor_node.cpp#L6138-L6146
but adding `--screen` doesn't seem to have effect (though interestingly `--screen` works correctly when launching project manager manually).

### Steps to reproduce

0. Have at least 2 screens
1. Open Godot editor on non-primary screen
2. Do Project -> Quit to Project List

### Minimal reproduction project (MRP)

N/A