Add fallback FPS Limit to Vulkan

OptiScaler/hooks/HooksVk.cpp

@@ -8,6 +8,7 @@
 #include <proxies/Kernel32_Proxy.h>
 
 #include <detours/detours.h>
+#include <misc/FrameLimit.h>
 
 typedef struct VkWin32SurfaceCreateInfoKHR
 {
@@ -184,6 +185,9 @@ static VkResult hkvkQueuePresentKHR(VkQueue queue, VkPresentInfoKHR* pPresentInf
     auto result = o_QueuePresentKHR(queue, pPresentInfo);
     State::Instance().vulkanCreatingSC = false;
 
+    // Unsure about Vulkan Reflex fps limit and if that could be causing an issue here
+    FrameLimit::sleep();
+
     LOG_FUNC_RESULT(result);
     return result;
 }