refactor: connect context, remove network manager pass to opDef

src/Engine/Operator/Context.h

@@ -1,13 +1,20 @@
 #pragma once
 
-#include "Engine/Network/NetworkManager.h"
 #include "Engine/Types.h"
+#include "Engine/Operator/Geometry.h"
+
+namespace enzo::nt
+{
+    class NetworkManager;
+}
+
 namespace enzo::op
 {
 class Context
 {
 public:
     Context(enzo::nt::OpId opId, enzo::nt::NetworkManager& networkManager);
+    enzo::geo::Geometry cloneInputGeo(unsigned int inputIndex);
 private:
     enzo::nt::OpId opId_;
     enzo::nt::NetworkManager& networkManager_;