0021765: EDF 2334 SMESH: ConvertToQuadratic with medium node on geometry generates...

0021765: EDF 2334 SMESH: ConvertToQuadratic with medium node on geometry generates bad elements

+   * \brief Enables fixing node parameters on EDGEs and FACEs by
+   * GetNodeU(...,check=true), GetNodeUV(...,check=true), CheckNodeUV() and
+   * CheckNodeU() in case if a node lies on a shape set via SetSubShape().
+   * Default is False
+   */
+  void ToFixNodeParameters(bool toFix);