Merge branch 'feature/separate-vtk-field-type' into 'master'
Feature/separate vtk field type
See merge request !2686 (merged)
(cherry picked from commit 32fc0701)
f03f5df5 [vtkoutputmod] pull out field type 20419c88 [test][poroelastic] avoid deprecation warning 00dd1faf [io][vtk] move field type to vtk folder 40b53a8e [io][vtk] move function header f8d6a924 [io][vtk] move precision header