There are two websites which I want to add to my homescreen on android using Firefox. One is available as a PWA so in the firefox menu an 'Install' option appears. The other is not so a 'Add to homescreen' option appears. When I click the button I'm taken immediately to my homescreen but no icon for the websites appears. This happens only when my default android homescreen is set to 'Evie' (one I downloaded). It works fine when I use the built in homescreen on my phone - 'Quickstep'. It used to work fine with Evie but it has recently stopped working and the shortcut icons I had have disappeared.