Fix merge widget JS for buttons

app/views/projects/merge_requests/widget/open/_accept.html.haml

@@ -13,7 +13,7 @@
               %span.caret
               %span.sr-only
                 Select Merge Moment
-            %ul.dropdown-menu.dropdown-menu-right{ role: 'menu' }
+            %ul.js-merge-dropdown.dropdown-menu.dropdown-menu-right{ role: 'menu' }
               %li
                 = link_to "#", class: "merge_when_build_succeeds" do
                   = icon('check fw')
@@ -42,21 +42,19 @@
     = hidden_field_tag :merge_when_build_succeeds, "", autocomplete: "off"
   :javascript
-    $('.accept_merge_request').on('click', function() {
-      $('.js-merge-button').html("<i class='fa fa-spinner fa-spin'></i> Merge in progress");
-    });
-
     $('.accept-mr-form').on('ajax:send', function() {
       $(".accept-mr-form :input").disable();
     });
-    $('a.accept_merge_request').on('click', function(e) {
-      e.preventDefault();
-      $(this).closest("form").submit();
+    $('.accept_merge_request').on('click', function() {
+      $('.js-merge-button').html("<i class='fa fa-spinner fa-spin'></i> Merge in progress");
     });
-    $('a.merge_when_build_succeeds').on('click', function(e) {
-      e.preventDefault();
+    $('.merge_when_build_succeeds').on('click', function() {
       $("#merge_when_build_succeeds").val("1");
+    });
+
+    $('.js-merge-dropdown a').on('click', function(e) {
+      e.preventDefault();
       $(this).closest("form").submit();
     });