Move transport coefficient clipping to TransportModel class.
Removes redundancy in child classes. Tests with constant transport model and pedestal changed with minor impact (~1e-2 relative errors in stationary state), since the constant transport model did not previously carry out chi and D clipping in the pedestal zone.
Move transport coefficient clipping to TransportModel class.
Removes redundancy in child classes. Tests with constant transport model and pedestal changed with minor impact (~1e-2 relative errors in stationary state), since the constant transport model did not previously carry out chi and D clipping in the pedestal zone.