Project Java - Menu Accordion Toggling

I have a .WAR file generated by our framework (its a proprietary framework, not eclipse or node). You can check the system production in: [login to view URL] user: master password: 1 We already have an accordion menu, as you can see on the image. Now, you can open both "menus" at the same time, but I want toggled. If click in the "Module 1", the "Module 2" should be closed, and when I click on "Module 2" the "Module 1" should close. This is the desired behavior: [login to view URL] You can download the entire project from git: [login to view URL] It was made in Java 8 running on Tomcat 9. We expect the code to fix this commited in repo.