service: refactor server architecture

Converts services to have their own processes

src/core/hle/service/kernel_helpers.h

@@ -29,6 +29,7 @@ public:
 private:
     Kernel::KernelCore& kernel;
     Kernel::KProcess* process{};
+    bool process_created{false};
 };
 
 } // namespace Service::KernelHelpers