handle missing contracts with old archive request, more sync command work

Makefile

contracts/admin.py

contracts/management/commands/import_old_contracts.py

...ons/0052_remove_contract_legal_state_contract_is_valid.py

contracts/models.py

contracts/templates/contracts/404.html

contracts/templates/contracts/includes/contract_list.html

contracts/templates/contracts/view_contract.html

contracts/views.py

package-lock.json

registry/urls.py

shared/templates/shared/includes/base.html