#531 Hyperelastic: midpoint has been adapted to new Assemble.

Sources/ModelInstances/Hyperelasticity/TimeSchemes/Midpoint/Midpoint.hxx

@@ -33,8 +33,9 @@ namespace HappyHeart
             {
                 static_cast<void>(is_first_dynamic_call);
                 
-                the_operator.Assemble(1., vm.GetNonCstMatrixNewStiffness(),
-                                      1., system_rhs,
+                the_operator.Assemble(std::make_tuple(GlobalMatrixWithCoefficient(vm.GetNonCstMatrixNewStiffness(), 1.),
+                                                      GlobalVectorWithCoefficient(system_rhs, 1.)
+                                                      ),
                                       vm.GetMidpointPosition(),
                                       domain);