MC-18009: Disabled Products Do Not Appear in Search Results of Link Attribute

 - update to show all products regardless of status

Author: cspruiell

app/code/Magento/Catalog/Model/ProductLink/Search.php

@@ -58,7 +58,6 @@ public function prepareCollection(
     ): \Magento\Catalog\Model\ResourceModel\Product\Collection {
         $productCollection = $this->productCollectionFactory->create();
         $productCollection->addAttributeToSelect(ProductInterface::NAME);
-        $productCollection->setVisibility($this->catalogVisibility->getVisibleInCatalogIds());
         $productCollection->setPage($pageNum, $limit);
         $this->filter->addFilter($productCollection, 'fulltext', ['fulltext' => $searchKey]);
         $productCollection->setPage($pageNum, $limit);