debug: Adjust query selector

Author: clepski

integration-testing/include/general-openscd.robot

@@ -44,7 +44,7 @@ Check Browser Title
 
 Open Menu
     [Arguments]     ${menuItemTitle}
-    Click           ${menu-button} > button
+    Click           ${menu-button}.querySelector('button')
     Click           ${menu-selector} mwc-list > mwc-list-item >> span:text-is("${menuItemTitle}")
 
 Open Navigation Menu