fix add event with depends on

Author: shemogumbe

src/msgraph_core/requests/batch_request_content.py

@@ -52,7 +52,7 @@ def add_request(self, request_id: Optional[str], request: BatchRequestItem) -> N
             request.id = str(uuid.uuid4())
         if hasattr(request, 'depends_on') and request.depends_on:
             for dependent_id in request.depends_on:
-                if dependent_id not in [req.id for req in self.requests]:
+                if dependent_id not in self.requests:
                     dependent_request = self._request_by_id(dependent_id)
                     if dependent_request:
                         self._requests[dependent_id] = dependent_request