Upgrade Zorin OS 17 Beta to Gnome 45

[Aravisian]

Crosslink:

Pet Project -- Let's create a GTK-4 and GNOME 45 shell version of Zorin 17 themes

Update: the NewsFlash dev actually asked me to add a Zorin theme to the official application, so pending a Merge Request, we might all see Zorin (Dark Blue) in the list of a handful of themes supported by NewsFlash. I will make refinements to some elements of sidebars in apps before delving into the shell theme.