Disable N/A items for wordlist
Disable N/A items for wordlist

A wordlist file has no word bigrams/trigrams,
word neighbors, and word graph.
So these tree items are disabled.
If they are clicked, a warning message pops up
and the major display is wiped out.

jacksonllee/lxa5,linguistica-uchicago/lxa5,jacksonllee/lxa5,linguistica-uchicago/lxa5