More template filters for Libraries, Users, and Sync

data/interfaces/default/sync.html

@@ -54,7 +54,10 @@
 <script>
     $(document).ready(function() {
         sync_table_options.ajax = {
-            url: 'get_sync'
+            url: 'get_sync',
+            data: function (d) {
+                d.user_id = "${_session['user_id']}" == "None" ? null : "${_session['user_id']}"
+            }
         }
         sync_table = $('#sync_table').DataTable(sync_table_options);
         var colvis = new $.fn.dataTable.ColVis( sync_table, { buttonText: '<i class="fa fa-columns"></i> Select columns', buttonClass: 'btn btn-dark' } );