Fix: Don't try to retrieve next items if no next items are expected to exist

Author: vroomfondle

src/Runtime/ClientObjectCollection.php

@@ -369,8 +369,8 @@ public function getIterator(): Traversable
         }
 
         if($this->pagedMode){
-            $nextItems = $this->getNext()->executeQuery();
             if($this->hasNext()){
+                $nextItems = $this->getNext()->executeQuery();
                 foreach ($nextItems as $item){
                     yield $item;
                 }