[ML] Update jobs.begin_cancel() to use kwargs.pop() to fetch tag instead of kwargs.get() (Azure#28998)

* [ML] Support batch cancel (internal only) by tags within a workspace

* Fix tag params

* Fix job.list() ignoring tags

* [ML] Update jobs.begin_cancel() to use kwargs.pop() to fetch tag instead of kwargs.get()

Author: TonyJ1

sdk/ml/azure-ai-ml/azure/ai/ml/operations/_job_operations.py

@@ -323,7 +323,7 @@ def begin_cancel(self, name: str, **kwargs) -> LROPoller[None]:
         :rtype: ~azure.core.polling.LROPoller[None]
         :raise: ResourceNotFoundError if can't find a job matching provided name.
         """
-        tag = kwargs.get("tag", None) if kwargs else None
+        tag = kwargs.pop("tag", None)
 
         if not tag:
             return self._operation_2022_12_preview.begin_cancel(