* fix: prevent submission of non-submittable doctype
* fix: updated failing test cases to use submittable doctype as required
* refactor: corrected to_docstatus and from_docstatus use
* fix: inherit submittability from parent for child tables
* Revert "fix: inherit submittability from parent for child tables"
This reverts commit ee83ee59b4f0596e2d402a1547e92b131ae49579.
* feat: introduce skip_docstatus_validation flag
* test: add test cases for skip_docstatus_validation flag and docstatus transition of non-submittable doctype