message: Vk backend: changed error about missing validation layers to warning
diff: @@ -176,7 +176,7 @@ VulkanInstance::VulkanInstance(bool EnableValidation,
  if (!IsLayerAvailable(pLayerName))
  {
  ValidationLayersPresent = false;
  - LOG_ERROR_MESSAGE("Failed to find ", pLayerName, " layer. Validation will be disabled");
  + LOG_WARNING_MESSAGE("Failed to find ", pLayerName, " layer. Validation will be disabled");
  }
  }
  if (ValidationLayersPresent)
  