Comply with the case-sensitive rule

Author: wchen-r7

lib/msf/ui/console/command_dispatcher/db.rb

@@ -954,7 +954,7 @@ def cmd_notes(*args)
 					orderlist = []
 					sort_terms.each do |term|
 						term = "ntype" if term == "type"
-						term = "created_at" if term == "time"
+						term = "created_at" if term == "Time"
 						if term == nil
 							orderlist << ""
 						elsif term == "service"