MODX.alwaysEnableResourceSave.plugin.php

<?php
if ($modx->event->name == 'OnManagerPageInit') {
    $script = <<<SCRIPT
<script type="text/javascript">
Ext.ComponentMgr.onAvailable('modx-panel-resource', function(){
  Ext.getCmp('modx-panel-resource').on('ready', function(){
    window.setTimeout(function(){Ext.getCmp('modx-panel-resource').markDirty()}, 250);
  })
})
</script>

SCRIPT;
    $modx->regClientStartupScript($script, true);
}
return;