Fix Portal Particle Patch to Use Better Condition

Patch/Game/scrPortalParticlesPatch.cs

@@ -13,7 +13,7 @@ namespace ADOFAIRenderer.Patch.Game
         // ReSharper disable once InconsistentNaming
         public static void ForceScaledTime(scrPortalParticles __instance)
         {
-            if (!RenderManager.IsActive) return;
+            if (!RenderManager.Instance || !RenderManager.Instance.OverrideLoading) return;
             if (__instance == null) return;
             
             var particleSystems = __instance.GetComponentsInChildren<ParticleSystem>(true);