Restructure legacy route code

src/routes/index.tsx

@@ -2,7 +2,7 @@ import React from 'react';
 import { Navigate, Route, Routes } from 'react-router-dom';
 
 import ConnectionRequired from '../components/ConnectionRequired';
-import { LEGACY_USER_ROUTES, toViewManagerPageRoute } from './legacy';
+import { LEGACY_USER_ROUTES, toViewManagerPageRoute } from './legacyRoutes';
 import UserNew from './user/usernew';
 import Search from './search';
 import UserEdit from './user/useredit';

src/routes/legacyRoutes/index.tsx

@@ -20,4 +20,4 @@ export function toViewManagerPageRoute(route: LegacyRoute) {
     );
 }
 
-export * from './userRoutes';
+export * from './user';