* Add a "Pause Emulation" option and hotkey
Closes Ryujinx#1604
* Refactoring how pause is handled
* Applied suggested changes from review
* Applied suggested fixes
* Pass correct suspend type to threads for suspend/resume
* Fix NRE after stoping emulation
* Removing SimulateWakeUpMessage call after resuming emulation
* Skip suspending non game process
* Pause the tickCounter in the ExecutionContext
* Refactoring tickCounter pause/resume as suggested
* Fix Config migration to add pause hotkey
* Fixed pausing only application threads
* Fix exiting emulator while paused
* Avoid pause/resume while already paused/resumed
* Cleanup unused code
* Avoid restarting audio if stopping emulation while in pause.
* Added suggested changes
* Fix ConfigurationState