dropdown mismatch fix

Signed-off-by: Shoumi <shoumimukherjee@gmail.com>

Author: shoummu1

mcpgateway/templates/admin.html

@@ -646,10 +646,10 @@
                     class="mt-1 px-1.5 block w-full border-gray-300 rounded-md shadow-sm dark:bg-gray-700 dark:border-gray-600 text-gray-700 dark:text-gray-300"
                   >
                     <option value="">All Components</option>
+                    <option value="gateway">Gateway Service</option>
                     <option value="tool_service">Tool Service</option>
                     <option value="a2a_service">A2A Service</option>
                     <option value="auth">Authentication</option>
-                    <option value="gateway_service">Gateway Service</option>
                   </select>
                 </div>