Fix(core): Hide fields 'tab' from template as it's content is not display (#930)

Author: stonebuzz

inc/container.class.php

@@ -1138,6 +1138,11 @@ public static function getUsedItemtypes($type = 'all', $must_be_active = false)
 
     public function getTabNameForItem(CommonGLPI $item, $withtemplate = 0)
     {
+        if ($withtemplate) {
+            //Do not display tab from template or from item created from template
+            return '';
+        }
+
         $itemtypes = self::getEntries('tab', true);
         if (isset($itemtypes[$item->getType()]) && $item instanceof CommonDBTM) {
             $tabs_entries = [];