fix: keep Sublime on the editor menu and persist subl

A when: subl guard hid the row before install, which is how the editor
gets packaged. Map stored sublime_text to subl so an existing default
stays ticked, and update the default-apps tests for the PATH name.

test/shell.d/default-apps-test.sh

@@ -69,7 +69,7 @@ omarchy-pkg-add|omarchy-pkg-aur-add)
   firefox) command=firefox ;;
   zen-browser-bin) command=zen-browser ;;
   cursor-bin) command=cursor ;;
-  sublime-text-4) command=sublime_text ;;
+  sublime-text-4) command=subl ;;
   vim) command=vim ;;
   neovim) command=nvim ;;
   esac
@@ -169,7 +169,7 @@ editor_cases=(
   'code code editor:vscode'
   'cursor cursor pkg:cursor-bin'
   'zed zeditor editor:zed'
-  'sublime_text sublime_text pkg:sublime-text-4'
+  'sublime_text subl pkg:sublime-text-4'
   'helix helix editor:helix'
   'vim vim pkg:vim'
   'emacs emacs editor:emacs'