changed fields sort order in system.xml

Author: ihorvansach

etc/adminhtml/system.xml

@@ -22,15 +22,15 @@
                     <label>Enable Extension</label>
                     <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
                 </field>
-                <field id="key" translate="label" type="text" sortOrder="1000" showInDefault="1" showInWebsite="0" showInStore="0">
+                <field id="key" translate="label" type="text" sortOrder="30" showInDefault="1" showInWebsite="0" showInStore="0">
                     <label>Product Key</label>
                     <frontend_model>Magefan\Community\Block\Adminhtml\System\Config\Form\ProductKeyField</frontend_model>
                 </field>
-                <field id="displayin" translate="label" type="multiselect" sortOrder="30" showInDefault="1" showInWebsite="1" showInStore="0" canRestore="1">
+                <field id="displayin" translate="label" type="multiselect" sortOrder="40" showInDefault="1" showInWebsite="1" showInStore="0" canRestore="1">
                     <label>Display HTML Sitemap Link In</label>
                     <source_model>Magefan\HtmlSitemap\Model\Config\Source\DisplayIn</source_model>
                 </field>
-                <field id="openlinks" translate="label" type="select" sortOrder="40" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
+                <field id="openlinks" translate="label" type="select" sortOrder="50" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
                     <label>Open Links</label>
                     <source_model>Magefan\HtmlSitemap\Model\Config\Source\OpenLinks</source_model>
                 </field>