fix: resolve super_admin privileges and tenant management issues

- Fixed real backend deletion for tenants

- Allowed super_admins to manage other super_admins in Global Users

- Filtered teams based on selected tenant in user creation

- Protected system tenant from deletion

components/Layout.tsx

@@ -124,6 +124,7 @@ export const Layout: React.FC<{ children: React.ReactNode }> = ({ children }) =>
                    Super Admin
                 </div>
                 <SidebarItem to="/super-admin" icon={Building2} label="Organizações" collapsed={false} />
+                <SidebarItem to="/admin/users" icon={Users} label="Usuários Globais" collapsed={false} />
               </>
             )}
           </nav>