Make label actions dropdown style consistent

app/assets/stylesheets/framework/dropdowns.scss

@@ -791,4 +791,13 @@
   #{$selector}.dropdown-menu-align-right {
     margin-top: 2px;
   }
+
+  .open {
+    #{$selector}.dropdown-menu,
+    #{$selector}.dropdown-menu-nav {
+      @media (max-width: $screen-xs-max) {
+        max-width: 100%;
+      }
+    }
+  }
 }

app/assets/stylesheets/pages/labels.scss

@@ -116,6 +116,8 @@
 }
 .manage-labels-list {
+  @include new-style-dropdown;
+
   > li:not(.empty-message):not(.is-not-draggable) {
     background-color: $white-light;
     cursor: move;

app/views/shared/_label.html.haml

@@ -14,10 +14,10 @@
       %ul
         %li
           = link_to_label(label, subject: subject, type: :merge_request) do
-            view merge requests
+            View merge requests
         %li
           = link_to_label(label, subject: subject) do
-            view open issues
+            View open issues
         - if current_user
           %li.label-subscription
             - if can_subscribe_to_label_in_different_levels?(label)