[saco] Implement/match ScrUnk2B, ScrUnk2E and ScrUnk2F; CObjectPool::FUNC_10012850 takes a 16-bit object id, so the caller pushes the slot dword with no movzx

saco/net/objectpool.cpp

@@ -21,7 +21,7 @@ CObjectPool::~CObjectPool()
 
 //----------------------------------------------------
 
-void CObjectPool::FUNC_10012850(int iObject)
+void CObjectPool::FUNC_10012850(WORD wObject)
 {
 	// TODO: CObjectPool::FUNC_10012850() .text:10012850
 }