style: Refactoring imports, adapting MongoConnector to different connection_strings

Jupyter/API-tests/Unternehmensregister/models/Company.py

@@ -1,5 +1,5 @@
 from abc import ABC
-from dataclasses import dataclass
+from dataclasses import asdict, dataclass
 from enum import Enum
 
 
@@ -35,3 +35,6 @@ class Company:
     name: str
     last_update: str
     relationships: list[CompanyRelationship]
+
+    def dict(self):
+        return asdict(self)