Attempt to fix flicker on resize, don't recreate if image was already acquired. (#522)

Author: goeiecool9999

src/Cafe/HW/Latte/Renderer/Vulkan/VulkanRenderer.cpp

@@ -2540,12 +2540,12 @@ bool VulkanRenderer::AcquireNextSwapchainImage(bool mainWindow)
 
 	auto& chainInfo = GetChainInfo(mainWindow);
 
-	if (!UpdateSwapchainProperties(mainWindow))
-		return false;
-
 	if (chainInfo.swapchainImageIndex != -1)
 		return true; // image already reserved
 
+	if (!UpdateSwapchainProperties(mainWindow))
+		return false;
+
 	vkResetFences(m_logicalDevice, 1, &chainInfo.m_imageAvailableFence);
 	VkResult result = vkAcquireNextImageKHR(m_logicalDevice, chainInfo.swapchain, std::numeric_limits<uint64_t>::max(), VK_NULL_HANDLE, chainInfo.m_imageAvailableFence, &chainInfo.swapchainImageIndex);
 	if (result != VK_SUCCESS)