FIX: Fixed potential crash on Mac when using stale references to deleted InputDevice objects (case ISXB-606)#2009

AlexTyrer merged 4 commits intodevelopUnity-Technologies/InputSystem:developfrom

isxb-606-input-control-state-buffer-crash-on-macUnity-Technologies/InputSystem:isxb-606-input-control-state-buffer-crash-on-macCopy head branch name to clipboard