fixed animation settings validator

Author: jasonm-unity

source/FrameRecorder/Core/Engine/InputSettingsList.cs

@@ -209,8 +209,8 @@ public void ReplaceAt(int index, RecorderInputSetting input)
 
         void ReleaseAt(int index)
         {
-            bool isBinder = m_InputsSettingsAssets[index] is InputBinder;
 #if UNITY_EDITOR
+            bool isBinder = m_InputsSettingsAssets[index] is InputBinder;
             if ( isBinder ) 
                 SceneHook.UnregisterInputSettingObj(ownerRecorderSettingsAssetId, m_InputsSettings[index]);
 #endif

source/FrameRecorder/Recorders/AnimationRecorder/Editor/AnimationRecorderSettings.cs

@@ -59,10 +59,10 @@ public override bool ValidityCheck( List<string> errors )
                 ok = false;
                 errors.Add("Invalid state!");
             }
-            if (!inputsSettings.Cast<AnimationInputSettings>().Any(x => x != null && x.enabled))
+            if (!inputsSettings.Cast<AnimationInputSettings>().Any(x => x != null && x.enabled && x.gameObject != null ))
             {
                 ok = false;
-                errors.Add("None of the input objects are enabled.");
+                errors.Add("No input object set/enabled.");
             }
 
             if ( string.IsNullOrEmpty(outputPath))