AppImage Installer update fix

I fixed buglet-1 and buglet-2 reported at the release of Easy 5.2.1:

https://bkhome.org/news/202304/easyos-kirkstone-series-version-521-released.html

When doing an update of an AppImage, there may be some indecision what latest AppImage file to download, for example:

A browser window at the download page is also brought up, so you can make an intelligent choice. In the above case, they are both the same, just different files.

Here is the commit:

https://github.com/bkauler/woofq/commit/a99751ecce761fb6e33750682cc8a99f1e9f00d3

Next-up, fix buglet-3...      

Tags: easy