* Core: pass down Core::System reference to all services
This has to be done at once due to unified interface used by HLE/LLE switcher
* apt: eliminate Core::System::GetInstance
* gpu_gsp: eliminate Core::System::GetInstance in service
* hid: eliminate Core::System::GetInstance
* nwm: eliminate Core::System::GetInstance
* err_f: eliminate Core::System::GetInstance
There were a few places where nested namespace specifiers weren't being
used where they could be within the service code. This amends that to
make the namespacing a tiny bit more compact.
* Create a random console_id when config save_file is created
Added button in system config to refresh the console unique id
* Moved the connect for the button from .ui file to constructor of ConfigureSystem
* Added warning and info dialog
Fixup: Make use of qt5 style connects,
renamed the refresh button,
removed some duplicate code,
changed random device and moved all to the generate function
* Changed the random generator to reflect what a real 3DS stores as console unique id
Fixup: Changed the warning message
* Fixup: Set and Create
* Fixup: Added console id label, therfore removed second message box
* Fixup: fixed the endianess
* Fixup: more endianness fixes
* Fixup: Endianness the 3rd
