Update for the macOS version

Updated the macOS version to run on macOS 13+
Added the required signatures to prevent Gatekeeper pop-ups on macOS 10.14+
Improved trackpad detection code on macOS.
Fixed that left-clicks on trackpads were sometimes incorrectly interpreted as right-clicks on macOS.
Fixed that launching The Witness on newer macOS versions showed a popup about monitoring input from other applications.