SIENTIAPDE-1243: Refactor and enhance model manager activities and workflows

This commit includes several changes:

- Reorganized imports and class inheritance in activities.py, gates.py and mlflow.py for better readability and maintainability.
- Improved error handling and logging in gates.py and mlflow.py.
- Added input validation and filtering in gates.py to ensure data quality.
- Enhanced prediction formatting and storage policy management in gates.py.
- Updated metrics.py to use consistent naming conventions and labels.
- Refactored connectors_config.py to use type hints and improve code clarity.
- Updated conditional and MLFlow filters for better data quality checks.
- Improved model repository logic for retraining and updating models.
- Enhanced worker.py to include SDK metrics and improved error handling.
- Refactored workflows for better modularity and error handling.
- Updated tests to reflect the changes and improve test coverage.

tests/laborious/utils/test_connectors_config.py

@@ -1,7 +1,10 @@
 from os import environ
-from model_manager.utils.connectors_config import (build_mlflow_config,
-                                               build_postgres_config,
-                                               build_mongodb_config)
+
+from model_manager.utils.connectors_config import (
+    build_mlflow_config,
+    build_mongodb_config,
+    build_postgres_config,
+)
 
 
 def test_build_mlflow_config_with_env_vars():
@@ -95,7 +98,7 @@ def test_build_mongo_db_config_with_env_vars():
     assert build_mongodb_config() == {
         'connection_string': 'mongodb://sientia1:sientia1@localhost:27018',
         'database_name': 'test_db',
-        'ttl_index_seconds': 3600
+        'ttl_index_seconds': 3600,
     }
 
 
@@ -108,5 +111,5 @@ def test_build_mongo_db_config_with_defaults():
     assert build_mongodb_config() == {
         'connection_string': 'mongodb://root:wKZDbMNU1c@localhost:27018',
         'database_name': 'sientia',
-        'ttl_index_seconds': 3600
+        'ttl_index_seconds': 3600,
     }