modifying retrieval of ImageSynthesis component off of agent to use t…

…he camera instead of the agent gameobject to avoid finding the ImageSynthesis component for the SecondaryCamera on the stretchrobot

unity/Assets/Scripts/BaseFPSAgentController.cs

@@ -1776,7 +1776,7 @@ public virtual MetadataWrapper generateMetadataWrapper() {
 
         public virtual void updateImageSynthesis(bool status) {
             if (this.imageSynthesis == null) {
-                imageSynthesis = this.gameObject.GetComponentInChildren<ImageSynthesis>() as ImageSynthesis;
+                imageSynthesis = this.m_Camera.gameObject.GetComponent<ImageSynthesis>() as ImageSynthesis;
             }
             imageSynthesis.enabled = status;
         }