Promote setup.js in the list of JS files.

I don't think this matters a ton, but there's no reason for
the two muting files to come before setup.js.

(imported from commit c18231b633fba6acccaf5bc180c7605f7591462e)

zproject/settings.py

@@ -521,9 +521,9 @@ JS_SPECS = {
             'js/dict.js',
             'js/localstorage.js',
             'js/channel.js',
+            'js/setup.js',
             'js/muting.js',
             'js/muting_ui.js',
-            'js/setup.js',
             'js/viewport.js',
             'js/rows.js',
             'js/unread.js',