I just upgraded the fs_connect_by function to sort all files and folders alphabetically.
https://openacs.org/bboard/q-and-a-fetch-msg.tcl?msg_id=00038g&topic_id=11&topic=OpenACS
I thought to add another column that holds the alphabetically sorted tree. This way you could easily switch between ByDate and Alphabetically.
I am not sure if this is what you really wanted to hear...