refactor(special-fund):优化专项资金详情获取逻辑

-移除了接口成功调用时的重复通知
- 增加了接口调用失败时的错误通知
- 优化了代码结构，提高了用户体验

src/views/special-fund/add.vue

@@ -327,11 +327,7 @@ const init = async () => {
 }
 const getDetailInfo = async () => {
   getFundDetailProcess(route.query.id).then(res => {
-    ElNotification({
-      title: '提示',
-      message: res.msg,
-      type: res.code === 1000 ? 'success' : 'error'
-    })
+
     if (res.code === 1000) {
       formData.value = res.data.formData
       opentionData.value = res.data
@@ -339,6 +335,12 @@ const getDetailInfo = async () => {
       nextTick(() => {
         showTable.value = true
       })
+    }else{
+      ElNotification({
+        title: '提示',
+        message: res.msg,
+        type:  'error'
+      })
     }
   })
 }