I want to upgrade my 1.7 apps to the 1.9 version of Experience Builder Developer Edition. I tried copying over the old ../apps directory to the new ../server/public/apps directory, but it didn't work. The info.json file looks correct (portalUrl and username are correct), do I need to change anything in there? The upgrade instructions gave the *tip* below, but that didn't work for me. I did test using the app id of the newly created app (in 1.9) and that did allow me to edit my old app in 1.9, but the thumbnail/experience was not the correct one and I know that isn't the solution. So, I know I am missing something, but just not sure what.
An added thought: I also updated nodejs to the latest LTS version 16.18.0, could that be the problem? Previously I was using v16.13.1