remove MLT odata filter

Author: rvdwegen

Modules/CIPPCore/Public/GraphHelper/Get-Tenants.ps1

@@ -61,7 +61,9 @@ function Get-Tenants {
 
     if ($CleanOld.IsPresent) {
         try {
-            $GDAPRelationships = New-GraphGetRequest -uri "https://graph.microsoft.com/beta/tenantRelationships/delegatedAdminRelationships?`$filter=status eq 'active' and not startsWith(displayName,'MLT_')&`$select=customer,autoExtendDuration,endDateTime&`$top=300" -NoAuthCheck:$true
+            $GDAPRelationships = New-GraphGetRequest -uri "https://graph.microsoft.com/beta/tenantRelationships/delegatedAdminRelationships?`$filter=status eq 'active'&`$select=customer,autoExtendDuration,endDateTime" -NoAuthCheck:$true
+            # Filter out MLT relationships locally
+            $GDAPRelationships = $GDAPRelationships | Where-Object { $_.displayName -notlike 'MLT_*' }
             if (!$GDAPRelationships) {
                 Write-LogMessage -API 'Get-Tenants' -message 'Tried cleaning old tenants but failed to get GDAP relationships - No relationships returned' -Sev 'Critical'
                 throw 'Failed to get GDAP relationships for cleaning old tenants.'
@@ -94,7 +96,9 @@ function Get-Tenants {
             throw 'RefreshToken not set. Cannot get tenant list.'
         }
         #get the full list of tenants
-        $GDAPRelationships = New-GraphGetRequest -uri "https://graph.microsoft.com/v1.0/tenantRelationships/delegatedAdminRelationships?`$filter=status eq 'active' and not startsWith(displayName,'MLT_')$RelationshipFilter&`$select=customer,autoExtendDuration,endDateTime" -NoAuthCheck:$true
+        $GDAPRelationships = New-GraphGetRequest -uri "https://graph.microsoft.com/v1.0/tenantRelationships/delegatedAdminRelationships?`$filter=status eq 'active'$RelationshipFilter&`$select=customer,autoExtendDuration,endDateTime" -NoAuthCheck:$true
+        # Filter out MLT relationships locally
+        $GDAPRelationships = $GDAPRelationships | Where-Object { $_.displayName -notlike 'MLT_*' }
         Write-Host "GDAP relationships found: $($GDAPRelationships.Count)"
         Write-Information "GDAP relationships found: $($GDAPRelationships.Count)"
         $totalTenants = $GDAPRelationships.customer.tenantId | Select-Object -Unique