Fix list rendering issue when dropdown was hidden in row

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/assets/stylesheets/framework/lists.scss

@@ -117,7 +117,7 @@ ul.content-list {
     }
 
     .controls {
-      padding-top: 4px;
+      padding-top: 1px;
       float: right;
 
       .btn {

app/assets/stylesheets/framework/mixins.scss

@@ -72,9 +72,10 @@
   list-style: none;
 
   > li {
+    @include clearfix;
+
     padding: 10px 0;
     border-bottom: 1px solid #EEE;
-    overflow: hidden;
     display: block;
     margin: 0px;