* fix crash when Vulkan isn't available
* add VulkanRenderer.GetPhysicalDevices() overload that provides its own Vk API object and logs on failure
* adjustments per AcK77
* Add hide-cursor command line argument
* gtk: Adjust SettingsWindow for hide cursor options
* ava: Adjust SettingsWindow for hide cursor options
* ava: Add override check for HideCursor arg
* Remove copy&paste sins
* ava: Leave a little more room between the options
* gtk: Fix hide cursor issues
* ava: Only hide cursor if it's within the embedded window