[RFE] Display GNOME Software related strings only when running GNOME

[AsciiWolf]

Currently, there are some strings regarding GNOME Software being displayed to the user:

"No apps installed that can open “%s”. You can find more applications in Software" "No suitable app installed. You can find more applications in Software." "_Find More in Software" "Failed to start Software"

However, these strings are displayed on all systems, including ones without GNOME Software installed. It could be a good idea to hide these UI elements if the system is not running GNOME (for example Linux Mint) or if GNOME Software is not installed (for example Ubuntu or Manjaro).