Fixes several minor initialization issues that were causing problems with deletion/management of components and entities.

Also makes the ThirdPersonPlayer game object editor selectable again by removing an erroneously set field.

Templates/Full/game/scripts/server/gameObjects/ThirdPersonPlayerObject.taml

@@ -1,6 +1,5 @@
 <Entity
     scale="1 1 1"
-    isSelectionEnabled="false"
     class="ThirdPersonPlayerObject"
     canSave="true"
     canSaveDynamicFields="true"