Fix connection config dialog test

src/sakia/data/entities/certification.py

src/sakia/data/entities/identity.py

src/sakia/data/processors/identities.py

src/sakia/data/repositories/meta.sql

src/sakia/gui/dialogs/certification/controller.py

src/sakia/gui/dialogs/connection_cfg/controller.py

src/sakia/services/network.py

src/sakia/tests/conftest.py

src/sakia/tests/functional/process_cfg_community/__init__.py

...ts/functional/process_cfg_community/test_add_community.py

src/sakia/tests/functional/test_certification_dialog.py

src/sakia/tests/functional/test_connection_cfg_dialog.py