WIP transition to using sync track based synchronisation.

src/AnimNodes/LockTranslationNode.h

@@ -32,8 +32,8 @@ struct LockTranslationNode : public AnimNode {
     m_input->UpdateIsSynced(m_is_time_synced);
   }
 
-  virtual void EvalAnimDuration() override {
-    m_anim_duration = m_input->m_anim_duration;
+  virtual void UpdateSyncTrack() override {
+    m_sync_track = m_input->m_sync_track;
   }
 
   virtual void UpdateTime(float dt) { m_input->UpdateTime(dt); }