feat: 优化仪表板和模板的默认排序

backend/src/main/java/io/dataease/base/mapper/ext/ExtPanelGroupMapper.xml

@@ -64,6 +64,9 @@
         <if test="sort != null">
             order by ${sort}
         </if>
+        <if test="sort == null">
+            order by panel_group.create_time desc
+        </if>
     </select>
 
     <delete id="deleteCircle">

backend/src/main/java/io/dataease/base/mapper/ext/ExtPanelTemplateMapper.xml

@@ -83,6 +83,9 @@
         <if test="sort != null">
             order by ${sort}
         </if>
+        <if test="sort == null">
+            order by panel_template.create_time desc
+        </if>
     </select>
 
     <delete id="deleteCircle">

frontend/src/views/panel/list/PanelList.vue

@@ -323,12 +323,12 @@ export default {
         panelType: 'self',
         nodeType: null,
         children: [],
-        sort: 'node_type desc,name asc'
+        sort: 'create_time desc,node_type desc,name asc'
       },
       tableForm: {
         name: '',
         mode: '',
-        sort: 'node_type asc,create_time desc,name asc'
+        sort: 'create_time desc,node_type asc,create_time desc,name asc'
       },
       groupFormRules: {
         name: [