fix: 系统管理-租户管理 修复添加顶级租户时会加到系统管理租户下的问题

src/views/system/tenant/tenant.vue

@@ -43,14 +43,17 @@
           <template #default="scope">
             <div class="operations">
               <div
-                v-if="scope.row.parentId === 0 || scope.row.parentId === null"
+                v-if="scope.row.parentId === -1 || scope.row.parentId === null"
                 class="add-next-level"
                 @click="openAddTenantDrawer('add', scope.row)"
               >
                 添加下一级
               </div>
 
-              <div v-if="scope.row.parentId === 0 || scope.row.parentId === null" class="separator">
+              <div
+                v-if="scope.row.parentId === -1 || scope.row.parentId === null"
+                class="separator"
+              >
                 |
               </div>
 
@@ -156,7 +159,7 @@
     }
     // 添加父租户
     else {
-      tenantForm.parentId = 0; //0表示顶层父租户
+      tenantForm.parentId = -1; //-1表示顶层父租户
       tenantForm.parentName = '顶级租户';
     }
   }