Add + 1 product option unable to use it in homapage

Add + 1 product option unable to use it in homepage, https://prnt.sc/thecp It is coming only in shop page. Because in your grocery demo version, it is coming in the homepage itself, https://woodmart.xtemos.com/demo-grocery/demo/grocery/

You have asked to create a topic on your support forum and provide you with all the necessary details about the request with some screenshots and to include my admin access. I have given the admin access in the private content. As asked by you, we have disabled all our external plugins.