fix: DEFECT-802 replace org tree fold button icon

@@ -2,7 +2,7 @@
   <div class="organization-tree flex relative">
     <div class="cursor-pointer flex py-4 fold-icon" :class="foldFlag ? 'absolute' : ''">
       <div @click="handleFold">
-        <DoubleRightOutlined :class="[foldFlag ? '' : 'rotate-180']" class="text-xl transform" />
+        <CaretRightOutlined :class="[foldFlag ? '' : 'rotate-180']" class="text-xl transform" />
       </div>
     </div>
     <div
@@ -29,7 +29,7 @@
   import { onMounted, ref, unref } from 'vue';
   import { BasicTree, TreeItem } from '/@/components/Tree';
   import { getOrganizationList } from '/@/api/system/system';
-  import { DoubleRightOutlined } from '@ant-design/icons-vue';
+  import { CaretRightOutlined } from '@ant-design/icons-vue';
 
   const emit = defineEmits(['select']);
   const treeData = ref<TreeItem[]>([]);