Solves the issue from ae10133b5e the right
way using the actual xdg-terminal-exec package and provides resillient
fallbacks no matter what the user might do.
This also removes the need to restart after changing terminals at all.
fixes#2198fixes#2329fixes#2673fixes#1754
* Themeing for ghostty
* Fix theme name
* Set font for ghostty too if its on the system
* Use correct class for ghostty styling
* Uniformity
* Need to keep this alacritty until we have it fully working for other terminals
* Stick to alacritty so we can control font size
* Stick with alacritty for system terminals
* Add menu to install different terminal
* Use taha approved colors
Ryan Hughes