remove excludedTenants string from template list

Author: JohnDuprey

Modules/CIPPCore/Public/Entrypoints/HTTP Functions/Tenant/Standards/Invoke-listStandardTemplates.ps1

@@ -1,6 +1,6 @@
 using namespace System.Net
 
-Function Invoke-listStandardTemplates {
+function Invoke-listStandardTemplates {
     <#
     .FUNCTIONALITY
         Entrypoint,AnyTenant
@@ -29,7 +29,11 @@ Function Invoke-listStandardTemplates {
             return
         }
         $Data | Add-Member -NotePropertyName 'GUID' -NotePropertyValue $_.GUID -Force
-        if ($Data.excludedTenants) { $Data.excludedTenants = @($Data.excludedTenants) }
+        if ($Data.excludedTenants -and $Data.excludedTenants -ne 'excludedTenants') {
+            $Data.excludedTenants = @($Data.excludedTenants)
+        } else {
+            $Data.excludedTenants = @()
+        }
         $Data
     } | Sort-Object -Property templateName