Fix bugs in deploment core deployment

assets/playbooks/core-server-playbook.yml

assets/playbooks/db-server-playbook.yml

src/freva_deployment/__init__.py

src/freva_deployment/cli/_migrate.py

src/freva_deployment/cli/_server_map.py

src/freva_deployment/deploy.py

src/freva_deployment/ui/deployment_tui/deploy_forms.py

src/freva_deployment/utils.py