NEZ-1534 fix: 修复Asset新增数据时Number与Brand & Model冲突

nezha-fronted/src/assets/css/components/page/config/system.scss

@@ -1,7 +1,8 @@
 .system {
-  height: 100%;
+  height: calc(100% - 40px) !important;
   position: relative;
-  margin-top: 10px;
+  overflow: auto;
+  margin: 10px;
   .el-tag.el-tag--info {
     background-color: $--chart-title-hover-background-color;
     border: 1px solid $--border-color-light;

nezha-fronted/src/assets/css/components/page/config/system/license.scss

@@ -15,7 +15,6 @@
   .license-left {
     display: flex;
     flex-direction: column;
-    justify-content: flex-start;
   }
   .license-left-header,.license-right-header {
     width: 100%;

nezha-fronted/src/components/page/asset/asset.vue

@@ -235,6 +235,7 @@ export default {
         modelId: '',
         model: { id: '', name: '' },
         type: { name: '', id: '' },
+        number: '',
         brandAndModel: [],
         typeId: '',
         snmpCredentialId: '',