0025019: Command "bsection" in Test Harness with flag build pcurve on second shape works slowly.

class IntTools_FaceFace
method
  void IntTools_FaceFace::Perform(const TopoDS_Face& aF1,
                                  const TopoDS_Face& aF2)
Change the approximation flags according to the order of faces.

Test case for issue CR25019

src/IntTools/IntTools_FaceFace.cxx

@@ -553,6 +553,10 @@ static Standard_Boolean isTreatAnalityc(const TopoDS_Face& theF1,
         aP2S.SetValue(aU2,aV2,aU1,aV1);
       }
     }
+    //
+    Standard_Boolean anAproxTmp = myApprox1;
+    myApprox1 = myApprox2;
+    myApprox2 = anAproxTmp;
   }