style: update UI components to use white background and consistent border radius

- Change dialog surfaces, drawers, and confirm dialogs from off-white (#F4F3EB) to white background
- Standardize border radius from 3xl/36px to 2xl across multiple components
- Update default setting view from 'account' to 'general' for better user experience
- Adjust input field heights and backgrounds for improved visual consistency

src/pages/Agents/components/AddAgentDialog.tsx

@@ -2,7 +2,7 @@ import { useEffect, useState } from 'react';
 import AgentsDialogSurface from './AgentsDialogSurface';
 
 const INPUT_CLASS_NAME = [
-  'h-[88px] w-full rounded-[26px] border border-black/10 bg-[#F8F4EC] px-7',
+  'h-[44px] w-full rounded-xl border border-black/10 bg-white px-7',
   'text-[22px] text-[#171717] outline-none transition-colors placeholder:text-[#9A958C]',
   'focus:border-black/20 dark:border-white/10 dark:bg-[#222225] dark:text-[#f3f4f6] dark:placeholder:text-gray-500',
 ].join(' ');