fix(ui): Remove Expanded wrapper for SSH disabled warning

- Resolves: #568

lib/ui/pages/users/user_details.dart

@@ -260,13 +260,11 @@ class _SshKeysCard extends StatelessWidget {
                 const Divider(height: 0),
                 Padding(
                   padding: const EdgeInsets.all(8.0),
-                  child: Expanded(
                   child: InfoBox(
                     text: 'ssh.ssh_disabled_warning'.tr(),
                     isWarning: true,
                   ),
                 ),
-                ),
               ],
             ),
         ],