PB-276: Error on PageBuilder if sortInstances[$sortOption] is not exists

- Don’t sort unless we have a sort builder

Author: davemacaulay

app/code/Magento/PageBuilder/Model/Catalog/Sorting.php

@@ -85,12 +85,14 @@ public function applySorting(
         \Magento\Catalog\Model\ResourceModel\Product\Collection $collection
     ): \Magento\Catalog\Model\ResourceModel\Product\Collection {
         $sortBuilder = $this->getSortingInstance($option);
-        $_collection = $sortBuilder->sort($collection);
+        if ($sortBuilder) {
+            $collection = $sortBuilder->sort($collection);
+        }
 
-        if ($_collection->isLoaded()) {
-            $_collection->clear();
+        if ($collection->isLoaded()) {
+            $collection->clear();
         }
 
-        return $_collection;
+        return $collection;
     }
 }