test: fix data-testid attribute names and update E2E test URLs to port 8917

frontend/app/login/page.tsx

@@ -124,7 +124,7 @@ export default function LoginPage() {
               
               <div className="pt-2 grid grid-cols-2 gap-3">
                 <button
-                  data-testid="local-login-tab"
+                  data-testid="ldap-login-tab"
                   onClick={() => setIsEnterprise(true)}
                   className="flex items-center justify-center gap-2 py-4 rounded-2xl border border-dashed border-slate-700 text-muted hover:text-white hover:border-slate-500 transition-all font-bold text-xs"
                 >
@@ -132,6 +132,7 @@ export default function LoginPage() {
                   Enterprise
                 </button>
                 <button
+                  data-testid="local-login-tab"
                   onClick={() => {
                     setSelectedUserForLogin({ username: '' });
                     // We use an empty username object to trigger the manual input view