fix position of add button in media picker

src/Umbraco.Web.UI.Client/src/views/propertyeditors/mediapicker/mediapicker.html

@@ -4,7 +4,7 @@
     <p ng-if="(images|filter:{trashed:true}).length > 1"><localize key="mediaPicker_pickedTrashedItems"></localize></p>
     
     <div class="flex error">
-        <ul ui-sortable="sortableOptions" ng-model="images" ng-if="images.length > 0" class="umb-sortable-thumbnails">
+        <ul ui-sortable="sortableOptions" ng-model="images" class="umb-sortable-thumbnails">
             <li class="umb-sortable-thumbnails__wrapper" ng-repeat="image in images">
 
                 <!-- IMAGE -->
@@ -30,11 +30,12 @@
                 </div>
 
             </li>
+            <li style="border: none;">
+                <a href="#" class="add-link" ng-click="add()" ng-class="{'add-link-square': (images.length === 0 || isMultiPicker)}" ng-if="showAdd()" prevent-default>
+                    <i class="icon icon-add large"></i>
+                </a>
+            </li>
         </ul>
-
-        <a href="#" class="add-link" ng-click="add()" ng-class="{'add-link-square': (images.length === 0 || isMultiPicker)}" ng-if="showAdd()" prevent-default>
-            <i class="icon icon-add large"></i>
-        </a>
     </div>
 
     <umb-overlay