Correct used in sections image pattern, minor fixes

Author: Nazar65

app/code/Magento/MediaContent/Model/GetContentByAssetIds.php

@@ -70,7 +70,7 @@ public function execute(array $assetIds): array
                 ->where(self::ASSET_ID . ' IN (?)', $assetIds);
 
             $contentIdentities = [];
-            foreach ($connection->fetchAssoc($select) as $contentIdentityData) {
+            foreach ($connection->fetchAll($select) as $contentIdentityData) {
                 $contentIdentities[] = $this->factory->create($contentIdentityData);
             }
             return $contentIdentities;

app/code/Magento/MediaContentCatalog/etc/media_content.xml

@@ -8,7 +8,7 @@
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_MediaContentApi:etc/media_content.xsd">
     <search>
         <patterns>
-            <pattern name="catalog_image">/^\/?media\/(.*)/</pattern>
+            <pattern name="catalog_image">/^\/pub\/?media\/(.*)/</pattern>
         </patterns>
     </search>
-</config>
+</config>