0021014: EDF 1583 SMESH: Improvement of the Python Dump for the creation of groups

class _pyGen {
+  Handle(_pyObject) FindObject( const _pyID& theObjID ) const;

src/SMESH_I/SMESH_2smeshpy.hxx

@@ -477,6 +477,7 @@ public:
   _pyFilter(const Handle(_pyCommand)& theCreationCmd, const _pyID& newID="");
   void Process( const Handle(_pyCommand)& theCommand);
   virtual void Flush();
+  const _pyID& GetNewID() const { return myNewID; }
 
   DEFINE_STANDARD_RTTI (_pyFilter)
 };