Don't show action box when there's only one value

assets/static/ui.js

@@ -179,7 +179,6 @@ var UI = (function(params) {
                         iconBase: 'fa',
                         tickIcon: 'fa-check',
                         width: 'fit',
-                        actionsBox: true,
                         selectAllText: 'All',
                         deselectAllText: 'None',
                         noneSelectedText: $(this).data('label-key') + ": none",

assets/templates/silence.html

@@ -9,6 +9,7 @@
                 data-label-key="<%= label_key %>"
                 data-style="silence-label-select"
                 <% if (Object.keys(label_values).length > 10) { %>data-live-search="true"<% } %>
+                <% if (Object.keys(label_values).length > 1) { %>data-actions-box="true"<% } %>
                 multiple>
           <% _.each(label_values, function(label, label_val) { %>
               <option <% if (label.selected) { %>selected="selected"<% } %>