fix: hide server dashboard link for vendor, remove fingerprint icon

Vendor persona doesn't need "Open Server Dashboard" in sidebar footer.
Removed inline Fingerprint icon from Identity (Logto) menu item.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ui/src/components/Layout.tsx

@@ -4,7 +4,7 @@ import {
   Sidebar,
   TopBar,
 } from '@cameleer/design-system';
-import { LayoutDashboard, ShieldCheck, Server, Users, Settings, Shield, Building, Fingerprint, ScrollText } from 'lucide-react';
+import { LayoutDashboard, ShieldCheck, Server, Users, Settings, Shield, Building, ScrollText } from 'lucide-react';
 import { useAuth } from '../auth/useAuth';
 import { useScopes } from '../auth/useScopes';
 import { useOrgStore } from '../auth/useOrganization';
@@ -87,7 +87,6 @@ export function Layout() {
             style={{ padding: '6px 12px 6px 36px', fontSize: 13, cursor: 'pointer', color: 'var(--text-muted)' }}
             onClick={() => window.open(`${window.location.protocol}//${window.location.hostname}:3002`, '_blank', 'noopener')}
           >
-            <Fingerprint size={13} style={{ verticalAlign: 'middle', marginRight: 6 }} />
             Identity (Logto)
           </div>
         </Sidebar.Section>
@@ -158,6 +157,7 @@ export function Layout() {
         </>
       )}
 
+      {showTenantPortal && (
         <Sidebar.Footer>
           <Sidebar.FooterLink
             icon={<Server size={16} />}
@@ -165,6 +165,7 @@ export function Layout() {
             onClick={() => window.open(serverDashboardHref, '_blank', 'noopener')}
           />
         </Sidebar.Footer>
+      )}
     </Sidebar>
   );