fix: fix catalog region display

fix the region display when the catalog's endpoints is empty

Change-Id: Ibee94fd5895c0dfd295a3b735aac46f428cbb5b9

src/pages/configuration/containers/SystemInfo/Catalog.jsx

@@ -53,6 +53,7 @@ export class Catalog extends Base {
       dataIndex: 'region',
       isHideable: true,
       width: 150,
+      render: (value) => value || '-',
     },
     {
       title: t('Endpoints'),

src/stores/keystone/catalog.js

@@ -27,7 +27,7 @@ export class AuthCatalogStore extends Base {
   get mapper() {
     return (data) => ({
       ...data,
-      region: (data.endpoints && data.endpoints[0].region) || '',
+      region: (data.endpoints && data.endpoints[0]?.region) || '',
     });
   }
 }