Add escape support to full screen simulator

[srietkerk]

When you are testing a game with a full screen simulator, the only way to exit it's full-screen mode is to click the small button at the bottom of the screen. For things that go full screen, it is common practice to get back to the previous screen with the ESC key.

Solution Add pressing the ESC key as an option to go from a full screen simulator back to the editor.

Describe alternatives you've considered The small button at the bottom of the screen works fine, but it just may cause frustration when the ESC key is a standard for content consumption.