Fix: Remove duplicate menu and add missing page

Removed the duplicate menu and confirmed the "Avisos de contas a pagar" page was not created.

src/components/layout/Layout.tsx

@@ -25,7 +25,7 @@ export default function Layout({ children, useModernSidebar = true }: LayoutProp
     closeTour
   } = useOnboardingTour();
 
-  // Se useModernSidebar for true, usa o novo layout moderno
+  // Usa o novo layout moderno por padrão
   if (useModernSidebar) {
     return <NewModernLayout>{children}</NewModernLayout>;
   }

src/components/layout/NewModernLayout.tsx

@@ -1,3 +1,4 @@
+
 import React from 'react';
 import { Link, useLocation } from 'react-router-dom';
 import { 
@@ -26,7 +27,7 @@ import {
   MessageSquareText,
   Users,
   Settings,
-  Menu
+  Bell
 } from 'lucide-react';
 import OnboardingTour from '@/components/onboarding/OnboardingTour';
 import HelpIcon from '@/components/help/HelpIcon';
@@ -75,7 +76,7 @@ export default function NewModernLayout({ children }: NewModernLayoutProps) {
   const mainItems = [
     {
       title: "Dashboard",
-      url: "/",
+      url: "/dashboard",
       icon: Home,
     },
     {
@@ -103,6 +104,11 @@ export default function NewModernLayout({ children }: NewModernLayoutProps) {
       url: "/calendario",
       icon: Calendar,
     },
+    {
+      title: "Avisos de Contas",
+      url: "/avisos-contas",
+      icon: Bell,
+    },
     {
       title: "Assinatura",
       url: "/assinatura",