fixed usim nodes generating an empty first image

com.unity.perception/CHANGELOG.md

 
 USimScenario now correctly deserializes app-params before offsetting the current scenario iteration when executing on Unity Simulation
 
+Fixed Unity Simulation nodes generating one extra empty image before generating their share of the randomization scenario iterations
+
 ## [0.5.0-preview.1] - 2020-10-14
 
 ### Known Issues

com.unity.perception/Runtime/Randomization/Scenarios/ScenarioBase.cs

             foreach (var randomizer in m_Randomizers)
                 randomizer.Create();
             ValidateParameters();
+
+            // Don't skip the first frame if executing on Unity Simulation
+            if (Configuration.Instance.IsSimulationRunningInCloud())
+                m_SkipFrame = false;
         }
 
         void OnEnable()