Allow custom editor, like we do custom terminal (#1697)

config/uwsm/env

@@ -4,8 +4,8 @@
 export OMARCHY_PATH=$HOME/.local/share/omarchy
 export PATH=$OMARCHY_PATH/bin/:$PATH
 
-# Set terminal used by all default commands
-export TERMINAL=alacritty
+# Set default terminal and editor
+source ~/.config/uwsm/default
 
 # Activate mise if present on the system
 omarchy-cmd-present mise && eval "$(mise activate bash)"