Add frontend loading imporvements 2

frontend/src/components/layout/AppShell/AppShell.tsx

@@ -1,8 +1,6 @@
 import React, { useState, useCallback, forwardRef } from 'react';
 import { clsx } from 'clsx';
-import { useAuthUser, useIsAuthenticated } from '../../../stores';
 import { useTheme } from '../../../contexts/ThemeContext';
-import { useTenantInitializer } from '../../../stores/useTenantInitializer';
 import { useHasAccess } from '../../../hooks/useAccessControl';
 import { Header } from '../Header';
 import { Sidebar } from '../Sidebar';
@@ -80,9 +78,6 @@ export const AppShell = forwardRef<AppShellRef, AppShellProps>(({
   const { resolvedTheme } = useTheme();
   const hasAccess = useHasAccess(); // Check both authentication and demo mode
 
-  // Initialize tenant data for authenticated users
-  useTenantInitializer();
-  
   const [isSidebarOpen, setIsSidebarOpen] = useState(false);
   const [isSidebarCollapsed, setIsSidebarCollapsed] = useState(initialSidebarCollapsed);
   const [error, setError] = useState<Error | null>(null);