Fix hidden field list

Author: Lainow

src/ITILTemplateField.php

@@ -131,7 +131,7 @@ abstract public static function getExcludedFields();
      *
      * @return bool
      **/
-    public static function showForITILTemplate(ITILTemplate $tt, $withtemplate = 0): bool
+    public static function showForITILTemplate(ITILTemplate $tt, $withtemplate = 0, $withtypeandcategory = true): bool
     {
         global $DB, $CFG_GLPI;
 
@@ -141,7 +141,7 @@ public static function showForITILTemplate(ITILTemplate $tt, $withtemplate = 0):
             return false;
         }
         $canedit = $tt->canEdit($ID);
-        $fields  = $tt->getAllowedFieldsNames(true);
+        $fields  = $tt->getAllowedFieldsNames($withtypeandcategory);
         $fields  = array_diff_key($fields, static::getExcludedFields());
         $display_options = [
             'relative_dates' => true,

src/ITILTemplateHiddenField.php

@@ -73,6 +73,16 @@ public function getTabNameForItem(CommonGLPI $item, $withtemplate = 0)
         return '';
     }
 
+    public static function displayTabContentForItem(CommonGLPI $item, $tabnum = 1, $withtemplate = 0)
+    {
+        if (!$item instanceof ITILTemplate) {
+            return false;
+        }
+
+        self::showForITILTemplate($item, $withtemplate, false);
+        return true;
+    }
+
 
     public function post_purgeItem()
     {