added todo notes for perception camera first frame bug

com.unity.perception/Editor/Randomization/ParameterElement.cs

             targetField.BindProperty(m_TargetGameObjectProperty);
             targetField.RegisterCallback<ChangeEvent<Object>>(evt =>
             {
+                if (evt.newValue == parameter.target.gameObject)
+                    return;
                 ClearTarget();
                 m_TargetGameObjectProperty.objectReferenceValue = (GameObject)evt.newValue;
                 m_SerializedProperty.serializedObject.ApplyModifiedProperties();
             m_TargetPropertyMenu.menu.MenuItems().Clear();
             m_TargetPropertyMenu.text = parameter.target.propertyName == string.Empty
                 ? "Select a property"
-                : Parameter.GetDisplayName(parameter.GetType());
+                : TargetPropertyDisplayText(parameter.target);
 
             var options = GatherPropertyOptions(parameter.target.gameObject, parameter.sampleType);
             foreach (var option in options)

com.unity.perception/Editor/Randomization/Uxml/FloatRangeElement.uxml

         <VisualElement style="flex-direction: row; margin: 1px, 1px, 1px, 3px;">
             <Label text="Range" class="unity-base-field__label" style="min-width: 147;"/>
             <VisualElement class="float-range" style="flex-grow: 1; flex-direction: row;">
-                <editor:FloatField label="Min" tooltip="Minimum" name="minimum" style="flex-grow: 1; margin-bottom: 0;"/>
-                <editor:FloatField label="Max" tooltip="Maximum" name="maximum" style="flex-grow: 1; margin-right: 2px; margin-bottom: 0;"/>
+                <editor:FloatField label="Min" tooltip="Minimum" name="minimum" style="flex-grow: 1; flex-shrink: 0; flex-basis: 0; margin-bottom: 0;"/>
+                <editor:FloatField label="Max" tooltip="Maximum" name="maximum" style="flex-grow: 1; flex-shrink: 0; flex-basis: 0; margin-right: 2px; margin-bottom: 0;"/>
             </VisualElement>
         </VisualElement>
     </VisualElement>

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

     {
         static ScenarioBase s_ActiveScenario;
         bool m_FirstFrame = true;
+        bool m_FirstIteration = true;
 
         /// <summary>
         /// If true, this scenario will quit the Unity application when it's finished executing
 
         void Update()
         {
-            if (currentIterationFrame == 0 && !m_FirstFrame)
+            // TODO: remove this check when the perception camera can capture the first frame of output
+            if (m_FirstFrame)
+                return;
+
+            if (currentIterationFrame == 0 && !m_FirstIteration)
                 OnIterationTeardown();
 
             if (isScenarioComplete)
 
         void LateUpdate()
         {
+            // TODO: remove this check when the perception camera can capture the first frame of output
+            if (m_FirstFrame)
+            {
+                m_FirstFrame = false;
+                return;
+            }
+                m_FirstIteration = false;
-            m_FirstFrame = false;
         }
     }
 }

com.unity.perception/Tests/Runtime/Randomization/ScenarioTests.cs

             Object.DestroyImmediate(m_TestObject);
         }
 
-        void CreateNewScenario()
+        // TODO: update this function once the perception camera doesn't skip the first frame
+        IEnumerator CreateNewScenario()
+            yield return null;
-            CreateNewScenario();
+            yield return CreateNewScenario();
             m_Scenario.serializedConstantsFileName = "perception_serialization_test";
 
             var constants = new FixedLengthScenario.Constants
         [UnityTest]
         public IEnumerator IterationsCanLastMultipleFrames()
         {
-            CreateNewScenario();
+            yield return CreateNewScenario();
             const int testIterationFrameCount = 5;
             m_Scenario.constants.framesPerIteration = testIterationFrameCount;
 
         [UnityTest]
         public IEnumerator FinishesWhenIsScenarioCompleteIsTrue()
         {
-            CreateNewScenario();
+            yield return CreateNewScenario();
             const int testIterationTotal = 5;
             m_Scenario.constants.framesPerIteration = 1;
             m_Scenario.constants.totalIterations = testIterationTotal;
         [UnityTest]
         public IEnumerator AppliesParametersEveryFrame()
         {
-            CreateNewScenario();
+            yield return CreateNewScenario();
             m_Scenario.constants.framesPerIteration = 5;
             m_Scenario.constants.totalIterations = 1;
 
             parameter.target.AssignNewTarget(
                 m_TestObject, transform, "position", ParameterApplicationFrequency.OnIterationSetup);
 
-            yield return new WaitForEndOfFrame();
-            CreateNewScenario();
+
+            yield return CreateNewScenario();
             m_Scenario.constants.framesPerIteration = 2;
             m_Scenario.constants.totalIterations = 2;
 
         [UnityTest]
         public IEnumerator StartNewDatasetSequenceEveryIteration()
         {
-            CreateNewScenario();
+            yield return CreateNewScenario();
             m_Scenario.constants.framesPerIteration = 2;
             m_Scenario.constants.totalIterations = 2;