If a user is not root, do not allow them to change the file extension on rename in UI.
If a user is not root, do not allow them to change the file extension on
rename in UI.

bywatersolutions/reports-site,HonzaMikula/bolt,skript-cc/bolt,bywatersolutions/reports-site,bywatersolutions/reports-site,GDmac/bolt,skript-cc/bolt,HonzaMikula/bolt,skript-cc/bolt,GDmac/bolt,skript-cc/bolt,HonzaMikula/bolt,bywatersolutions/reports-site,HonzaMikula/bolt,GDmac/bolt,GDmac/bolt