acc_su: Implement GetProfileEditor (205)

Takes a UUID of a user and provides and interface that allows RW access to user data/settings.

src/core/hle/service/acc/acc.h

@@ -30,6 +30,7 @@ public:
         void IsUserRegistrationRequestPermitted(Kernel::HLERequestContext& ctx);
         void TrySelectUserWithoutInteraction(Kernel::HLERequestContext& ctx);
         void IsUserAccountSwitchLocked(Kernel::HLERequestContext& ctx);
+        void GetProfileEditor(Kernel::HLERequestContext& ctx);
 
     protected:
         std::shared_ptr<Module> module;