[core/core] GPU initialize before CPU (#4228)

Signed-off-by: lizzie <lizzie@eden-emu.dev>

- [x] I have read and followed the [Contribution Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/CONTRIBUTING.md#code-contributions).
- [x] I have read and followed the [AI Policy](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/AI.md)
- [x] I have read and followed the [Coding Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/Coding.md) to the best of my ability.

-------------------

should fix issue where vulkan dies trying to do locks or whatever, since CPU will infinitely stall or whatever
tl;dr: dynarmic is getting too good and outpacing initialization

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4228
Reviewed-by: Maufeat <sahyno1996@gmail.com>
Reviewed-by: MaranBr <maranbr@eden-emu.dev>

src/core/core.cpp

@@ -264,9 +264,7 @@ struct System::Impl {
 
         // Setting changes may require a full system reinitialization (e.g., disabling multicore).
         ReinitializeIfNecessary(system);
-
         kernel.Initialize();
-        cpu_manager.Initialize();
     }
 
     SystemResultStatus SetupForApplicationProcess(System& system, Frontend::EmuWindow& emu_window) {
@@ -293,9 +291,7 @@ struct System::Impl {
         return SystemResultStatus::Success;
     }
 
-    SystemResultStatus Load(System& system, Frontend::EmuWindow& emu_window,
-                            const std::string& filepath,
-                            Service::AM::FrontendAppletParameters& params) {
+    SystemResultStatus Load(System& system, Frontend::EmuWindow& emu_window, const std::string& filepath, Service::AM::FrontendAppletParameters& params) {
         InitializeKernel(system);
 
         const auto file = GetGameFileFromPath(virtual_filesystem, filepath);
@@ -342,6 +338,8 @@ struct System::Impl {
             ShutdownMainProcess();
             return init_result;
         }
+        // Waiting for GPU before initializing CPU
+        cpu_manager.Initialize();
 
         // Initialize cheat engine
         if (cheat_engine) {