the results look okay, while the running for flow_solvent needs further
investigation even the results with flow_solvent actually look okay.
With two different version of
computePropertiesForWellConnectionPressures, flow_solvent produces the
same results. This is something needs further investigation.
The current implementation requires a copy of
computeWellConnectionPressure in StandardWells and StandardWellsSolvent.
That means probably we need to introduce the asImpl() for the Wells.
It causes problem for the flow_multisegment. So the version in
BlackoilModelBase is kept for now.
On the other hand, it is few of functions that will be both required by
the standard wells and multisegment wells.
Some decision will be made later on how to put this function.
