Start-AzSynapseTrigger throws error but starts the trigger

### Description

When using the {Start-AzSynapseTrigger} PS cmd in Azure Powershell 5.0 task in Azure DevOps pipeline, the cmd fails with the error
"Request operation requires element of type Object byt target is String"
However, in the background it would have started the trigger.

### Issue script & Debug output

```PowerShell
Start-AzSynapseTrigger : The requested operation requires an element of type 'Object', but the target element has type
'String'.
At line:1 char:26
+ ... ach-Object {Start-AzSynapseTrigger -WorkspaceName $workspaceName -Nam ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : CloseError: (:) [Start-AzSynapseTrigger], InvalidOperationException
+ FullyQualifiedErrorId : Microsoft.Azure.Commands.Synapse.StartAzureSynapseTrigger
```

### Environment data

```PowerShell
**************************************
Name Value
---- -----
PSVersion 5.1.22000.65
PSEdition Desktop
PSCompatibleVersions {1.0, 2.0, 3.0, 4.0...}
BuildVersion 10.0.22000.65
CLRVersion 4.0.30319.42000
WSManStackVersion 3.0
PSRemotingProtocolVersion 2.3
SerializationVersion 1.1.0.1
```

### Module versions

```PowerShell
0.11.0 Az.Synapse
```

### Error output

```PowerShell
Exception : System.InvalidOperationException
InvocationInfo : {Start-AzSynapseTrigger}
Line : $trigs | ForEach-Object {Start-AzSynapseTrigger -WorkspaceName $workspaceName -Name $_.name}
Position : At line:1 char:26
+ ... ach-Object {Start-AzSynapseTrigger -WorkspaceName $workspaceName -Nam ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
HistoryId : 17

Message : The requested operation requires an element of type 'Object', but the target element has type
'String'.
StackTrace : at System.Text.Json.JsonElement.EnumerateObject()
at Azure.Core.ArmOperationHelpers`1.IsTerminalState(String& state)
at Azure.Core.ArmOperationHelpers`1.d__25.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Azure.Core.ArmOperationHelpers`1.d__26.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at Azure.Core.ArmOperationHelpers`1.d__24.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Threading.Tasks.ValueTask`1.get_Result()
at Microsoft.Azure.Commands.Synapse.Common.Utils.Poll[T](Operation`1 operation)
at Microsoft.Azure.Commands.Synapse.Models.SynapseAnalyticsArtifactsClient.StartTrigger(String
triggerName)
at Microsoft.Azure.Commands.Synapse.StartAzureSynapseTrigger.ExecuteCmdlet()
at Microsoft.WindowsAzure.Commands.Utilities.Common.AzurePSCmdlet.ProcessRecord()
```