SIENTIAPDE-1325

Refactor initialization of Activities, Gates, and MongoDB classes for improved readability by using multi-line argument formatting. Update related tests to match the new initialization style.

tests/utils/test_connectors_config.py

@@ -126,7 +126,7 @@ def test_build_mongodb_config_defaults():
     os.environ['MONGODB_DATABASE_NAME'] = 'sientia'
     os.environ['MONGODB_USERNAME'] = 'sientia'
     os.environ['MONGODB_PASSWORD'] = 'sientia'
-    
+
     config = build_mongodb_config()
 
     assert config == {