stand/lua: Say "loader prompt" instead of "lua interpreter"

Noting that we're in lualoader is nice, but it's not a difference we raelly
need to expose to Fred. Re-word it to match the 4th wording and reduce
differences.

stand/lua/menu.lua

@@ -159,7 +159,7 @@ menu.welcome = {
 	{
 		entry_type = "return",
 		name = function()
-			return color.highlight("Esc").."ape to lua interpreter";
+			return color.highlight("Esc").."ape to loader prompt";
 		end,
 		alias = {"\027"}
 	},