MC-15250: Explicit product sorting in PageBuilder Products Content type

Author: davemacaulay

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

@@ -46,7 +46,8 @@ public function sort(
         $collection->joinAttribute('sorting_price', 'catalog_product/price', 'entity_id', null, 'left');
         $collection->getSelect()
             ->reset(Select::ORDER)
-            ->order('sorting_price '.$this->sortDirection);
+            ->order('sorting_price '.$this->sortDirection)
+            ->order('entity_id');
 
         return $collection;
     }

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

@@ -97,7 +97,8 @@ public function sort(
             ->group('entity_id')
             ->having('final_qty > 0')
             ->reset(DB\Select::ORDER)
-            ->order('final_qty '.$this->sortDirection);
+            ->order('final_qty '.$this->sortDirection)
+            ->order('entity_id');
 
         $resultIds = [];