Modify SessionReader to read restart/exact solution file parallel-in-time
Issue/feature addressed
Update SessionReader to read restart/exact solution file parallel-in-time. This MR was split from !1457 (merged).
Checklist
[ ] Functions and classes, or changes to them, are documented.[ ] User guide/documentation is updated.-
Changelog is updated. [ ] Suitable tests added for new functionality.-
Contributed code is correctly formatted. (See the contributing guidelines). [ ] License added to any new files.-
No extraneous files have been added (e.g. compiler output or test data files).