fix: optional ssl for kafka and optional tg user fields

external/kafka/schemas/consumer.py

@@ -7,9 +7,9 @@ from schemas.base import OkMessageSchema, BaseSchema
 
 class TelegramUserSchema(BaseSchema):
     id: int
-    first_name: str
-    last_name: str
-    username: str
+    first_name: Optional[str] = None
+    last_name: Optional[str] = None
+    username: Optional[str] = None
 
 
 class MessageFileSchema(BaseSchema):