fix: correct non-deterministic error in orchestrator

Author: JohnDuprey

Modules/CippEntrypoints/CippEntrypoints.psm1

@@ -255,10 +255,14 @@ function Receive-CippOrchestrationTrigger {
         Write-Information "Durable Mode: $DurableMode"
 
         $RetryOptions = New-DurableRetryOptions @DurableRetryOptions
-        if (!$OrchestratorInput.Batch -or ($OrchestratorInput.Batch | Measure-Object).Count -eq 0 -and $OrchestratorInput.QueueFunction) {
-            $Batch = (Invoke-ActivityFunction -FunctionName 'CIPPActivityFunction' -Input $OrchestratorInput.QueueFunction -ErrorAction Stop) | Where-Object { $null -ne $_.FunctionName }
-        } elseif ($OrchestratorInput.Batch) {
+
+        $HasBatch = $OrchestratorInput.Batch -and @($OrchestratorInput.Batch).Count -gt 0
+        $HasQueueFunction = $null -ne $OrchestratorInput.QueueFunction -and $OrchestratorInput.QueueFunction -ne ''
+
+        if ($HasBatch) {
             $Batch = $OrchestratorInput.Batch | Where-Object { $null -ne $_.FunctionName }
+        } elseif ($HasQueueFunction) {
+            $Batch = (Invoke-ActivityFunction -FunctionName 'CIPPActivityFunction' -Input $OrchestratorInput.QueueFunction -ErrorAction Stop) | Where-Object { $null -ne $_.FunctionName }
         } else {
             Write-Information 'No batch or queue function provided to orchestrator input'
             $Batch = @()