fix(chat): ajustes de texto, layout e icone do menu

- Mudar texto 'Chat #' para 'Ticket #' no desktop
- Passar ticketRef via URL para exibir numero correto
- Ajustar tamanho da janela minimizada (240px)
- Incluir ticketRef no checkMachineUpdates (Convex)
- Ajustar padding dos botoes no chat web
- Mudar icone 'Todos os tickets' para ClipboardList

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/components/app-sidebar.tsx

@@ -81,7 +81,7 @@ const navigation: NavigationGroup[] = [
         icon: Ticket,
         requiredRole: "staff",
         children: [
-          { title: "Todos os tickets", url: "/tickets", icon: Ticket, requiredRole: "staff" },
+          { title: "Todos os tickets", url: "/tickets", icon: ClipboardList, requiredRole: "staff" },
           { title: "Resolvidos", url: "/tickets/resolved", icon: ShieldCheck, requiredRole: "staff" },
         ],
       },