DyM solvers: correct Uf using phi after construction

applications/solvers/combustion/engineFoam/pEqn.H

...olvers/compressible/rhoPimpleFoam/rhoPimpleDyMFoam/pEqn.H

...ations/solvers/compressible/sonicFoam/sonicDyMFoam/pEqn.H

...ns/solvers/incompressible/pimpleFoam/pimpleDyMFoam/pEqn.H

...tions/solvers/lagrangian/sprayFoam/sprayEngineFoam/pEqn.H

...olvers/multiphase/cavitatingFoam/cavitatingDyMFoam/pEqn.H

...ase/compressibleInterFoam/compressibleInterDyMFoam/pEqn.H

.../solvers/multiphase/interFoam/interDyMFoam/interDyMFoam.C

...ications/solvers/multiphase/interFoam/interDyMFoam/pEqn.H

...ngeFoam/interPhaseChangeDyMFoam/interPhaseChangeDyMFoam.C

...phase/interPhaseChangeFoam/interPhaseChangeDyMFoam/pEqn.H

src/finiteVolume/cfdTools/compressible/createRhoUf.H

src/finiteVolume/cfdTools/incompressible/createUf.H