Fix potentila failure to install/know about container update, if cont…

…ainer is in group!

src/scripts/backup.php

@@ -129,10 +129,7 @@
 $dockerUpdateList = [''];
 
 ABHelper::backupLog("Starting Docker auto-update check...", ABHelper::LOGLEVEL_DEBUG);
-foreach ($sortedStopContainers as $container) {
-    if ($container['isGroup']) {
-        continue;
-    }
+foreach ($dockerContainers as $container) { // Use unraids docker container list for update checking!
     $containerSettings = $abSettings->getContainerSpecificSettings($container['Name']);
     if ($containerSettings['updateContainer'] == 'yes') {