MDL-59686 form: fix autosave support for editor field

calendar/classes/local/event/forms/create.php

@@ -48,7 +48,8 @@ class create extends \moodleform {
             'context' => $context,
             'maxfiles' => EDITOR_UNLIMITED_FILES,
             'maxbytes' => $CFG->maxbytes,
-            'noclean' => true
+            'noclean' => true,
+            'autosave' => false
         ];
     }
 

lib/form/editor.php

@@ -58,7 +58,7 @@ class MoodleQuickForm_editor extends HTML_QuickForm_element implements templatab
     /** @var array options provided to initalize filepicker */
     protected $_options = array('subdirs' => 0, 'maxbytes' => 0, 'maxfiles' => 0, 'changeformat' => 0,
             'areamaxbytes' => FILE_AREA_MAX_BYTES_UNLIMITED, 'context' => null, 'noclean' => 0, 'trusttext' => 0,
-            'return_types' => 15, 'enable_filemanagement' => true, 'removeorphaneddrafts' => false);
+            'return_types' => 15, 'enable_filemanagement' => true, 'removeorphaneddrafts' => false, 'autosave' => true);
     // 15 is $_options['return_types'] = FILE_INTERNAL | FILE_EXTERNAL | FILE_REFERENCE | FILE_CONTROLLED_LINK.
 
     /** @var array values for editor */