fix: 1.NetworkOverview 新增应用时：滚动滚动条，显示无数据；查询数据显示结果不对应；2.NetworkOverview 新增供应商和应用时：滚动滚动条时闪现多余的滚动条；未选择记录时，点击保存按钮无反应（改为无选中记录时保存按钮置灰）；

src/assets/css/components/views/charts2/networkOverviewApps.scss

@@ -215,7 +215,7 @@
       display: flex;
       flex-direction: column;
       height: 100%;
-
+      overflow-y: hidden;
       .add-app__header {
         display: flex;
         justify-content: space-between;
@@ -232,7 +232,12 @@
         .header__operations {
           display: flex;
           align-items: center;
-
+          .no-records {
+            background: #21B4ED;
+            color: #FFFFFF !important;
+            opacity: 0.6;
+            cursor: not-allowed !important;
+          }
           .header__operation {
             width: 80px;
             height: 30px;