fix: align and unify LocalBackupManager footer layout (#10985)

* fix: align and unify LocalBackupManager footer layout

- Use Space component to wrap footer buttons, consistent with S3BackupManager
- Optimize delete button i18n text by using count parameter instead of hardcoded concatenation

* fix: fix the i18n issue in the  delete button text

src/renderer/src/components/LocalBackupManager.tsx

@@ -1,7 +1,7 @@
 import { DeleteOutlined, ExclamationCircleOutlined, ReloadOutlined } from '@ant-design/icons'
 import { restoreFromLocal } from '@renderer/services/BackupService'
 import { formatFileSize } from '@renderer/utils'
-import { Button, message, Modal, Table, Tooltip } from 'antd'
+import { Button, message, Modal, Space, Table, Tooltip } from 'antd'
 import dayjs from 'dayjs'
 import { useCallback, useEffect, useState } from 'react'
 import { useTranslation } from 'react-i18next'
@@ -214,18 +214,11 @@ export function LocalBackupManager({ visible, onClose, localBackupDir, restoreMe
     }
   }
 
-  return (
+  const footerContent = (
-    <Modal
+    <Space align="center">
-      title={t('settings.data.local.backup.manager.title')}
-      open={visible}
-      onCancel={onClose}
-      width={800}
-      centered
-      transitionName="animation-move-down"
-      footer={[
       <Button key="refresh" icon={<ReloadOutlined />} onClick={fetchBackupFiles} disabled={loading}>
         {t('settings.data.local.backup.manager.refresh')}
-        </Button>,
+      </Button>
       <Button
         key="delete"
         danger
@@ -234,11 +227,22 @@ export function LocalBackupManager({ visible, onClose, localBackupDir, restoreMe
         disabled={selectedRowKeys.length === 0 || deleting}
         loading={deleting}>
         {t('settings.data.local.backup.manager.delete.selected')} ({selectedRowKeys.length})
-        </Button>,
+      </Button>
       <Button key="close" onClick={onClose}>
         {t('common.close')}
       </Button>
-      ]}>
+    </Space>
+  )
+
+  return (
+    <Modal
+      title={t('settings.data.local.backup.manager.title')}
+      open={visible}
+      onCancel={onClose}
+      width={800}
+      centered
+      transitionName="animation-move-down"
+      footer={footerContent}>
       <Table
         rowKey="fileName"
         columns={columns}