* hle: Some cleanup
This PR cleaned up a bit the HLE folder and the VirtualFileSystem one, since we use LibHac, we can use some class of it directly instead of duplicate things. The "Content" of VFS folder is removed since it should be handled in the NCM service directly.
A larger cleanup should be done later since there is still be duplicated code here and there.
* Fix Headless.SDL2
* Addresses gdkchan feedback
* Remove a bit of unsafety around
* Regenerate StructArrayHelpers with a max element value of 256
* hle: remove unsafe marker from all struct that had it
* hle: make SoftwareKeyboardRenderer.TryCopyTo safe
* hle: remove unsafety in NpadDevice and remove AllowUnsafeBlocks from csproj
* Revert "Regenerate StructArrayHelpers with a max element value of 256"
This reverts commit f32a6e5be0.
* Introduce ByteArray of various size and use that instead of ArrayXXX to avoid stackoverflow in .NET runtime type resolution
* Use ByteArray more
* Add some missing spaces on Pack = 1 for various structs
* Fix broken logic for TryCopyTo
* Address gdkchan's comment
* Address gdkchan's comment
This PR implement `ApplicationErrorArg` to the Error Applet. It's used by the guest to throw some specific error messages.
The code was done for (and merged) LDN2 build since long time ago and have been tested a bunch of times because of that! In a way to reduce the differences between LDN and master build it's fine to add it to master.
