Make sure click handlers are called from sidebar menu.

This is a subtle change, to make sure that list items
from stream_filters always go through click handlers, which
ensures, e.g., consistent behavior on opening the compose box.

(imported from commit cd734901def8959c8c8a29c164c7a60730ae0915)

static/js/ui.js

@@ -1380,7 +1380,7 @@ $(function () {
         e.preventDefault();
     });
 
-    $('#stream_filters li').on('click', '.subscription_block', function (e) {
+    $('#stream_filters').on('click', 'li .subscription_block', function (e) {
         if (e.metaKey || e.ctrlKey) {
             return;
         }