buddy_list: Do not fade current user in PMs.

Fixes a bug where we would fade out our own name because it wasn't in
selected as a recipient in the compose box, when making a PM.

static/js/compose_fade.js

@@ -130,7 +130,7 @@ function update_user_row_when_fading(li, conf) {
     var email = people.get_person_from_user_id(user_id).email;
     var would_receive = exports.would_receive_message(email);
 
-    if (would_receive) {
+    if (would_receive || people.is_my_user_id(user_id)) {
         conf.unfade(li);
     } else {
         conf.fade(li);