Please log LeaseLostException as Trace Information

[PeterQin]

My project using the EventHub Trigger Function. The WebJobs.Extensions.EventHubs SDK version is 3.0.6
Now I'm experiencing the LeaseLostException in App Insight, not frequent.
Call Stack

Microsoft.Azure.EventHubs.Processor.LeaseLostException:
   at Microsoft.Azure.EventHubs.Processor.AzureStorageCheckpointLeaseManager+<AcquireLeaseCoreAsync>d__32.MoveNext (Microsoft.Azure.EventHubs.Processor, Version=2.1.0.0, Culture=neutral, PublicKeyToken=7e34167dcc6d6d8c)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at Microsoft.Azure.EventHubs.Processor.PartitionManager+<RunLoopAsync>d__12.MoveNext (Microsoft.Azure.EventHubs.Processor, Version=2.1.0.0, Culture=neutral, PublicKeyToken=7e34167dcc6d6d8c)
Inner exception Microsoft.WindowsAzure.Storage.StorageException handled at Microsoft.Azure.EventHubs.Processor.AzureStorageCheckpointLeaseManager+<AcquireLeaseCoreAsync>d__32.MoveNext:
   at Microsoft.WindowsAzure.Storage.Core.Executor.Executor+<ExecuteAsyncInternal>d__41.MoveNext (Microsoft.WindowsAzure.Storage, Version=9.3.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at Microsoft.Azure.EventHubs.Processor.AzureStorageCheckpointLeaseManager+<AcquireLeaseCoreAsync>d__32.MoveNext (Microsoft.Azure.EventHubs.Processor, Version=2.1.0.0, Culture=neutral, PublicKeyToken=7e34167dcc6d6d8c)

I understood this is not a real error after reading a lot of doc. I'm very glad to see you guys want to log it as Information in #5 and #42 .
Could you guys please also update the LogExceptionReceivedEvent function in EventHubExtensionConfigProvider, your code logger?.Log(logLevel, 0, message, e.Exception, (s, ex) => message); still logging the LeaseLostException as Exception - https://github.com/Azure/azure-functions-eventhubs-extension/blob/dev/src/Microsoft.Azure.WebJobs.Extensions.EventHubs/Config/EventHubExtensionConfigProvider.cs#L87

[jeffhollan]

Just reviewed a supportability case with this being the issue. I thoughts @brettsam made this change but wonder if it's a different exception type?