GraphEditor HiDPI scaling applied twice on MacOS

[virokannas]

On MacOS, the automatic DPI scaling that gets applied results in a double-scaled UI. An example:

This screenshot is taken on a 4K screen running at 2560x1440 logical resolution.

A simple solution would be just to skip the DPI scaling set up in Main.cpp under the comment "Handle DPI scaling" - this results in normal-sized UI components.

[virokannas]

Sent pull request #1586 to address this.

[jstone-lucasfilm]

Thanks for the fix, @virokannas, and this is now addressed in #1586.