Fixed the uploaded file of a product attribute is lost as soon as another attribute is selected

Author: mgesing

src/Presentation/SmartStore.Web/Views/Shared/ChoiceTemplates/Choice.FileUpload.cshtml

@@ -15,7 +15,7 @@
     <div class="fu-container">
         <div class="dropzone-container">
             <div class="fu-thumb fu-filename rounded" data-current-filename="@(Model.UploadedFileName)"></div>
-            <input id="@(controlId)" name="@(controlId)" type="hidden" class="hidden" data-fileupload="true" />
+            <input id="@(controlId)" name="@(controlId)-file" type="hidden" class="hidden" data-fileupload="true" value="@Model.UploadedFileGuid" />
             <div class="fu-controls">
                 @(Html.SmartStore().FileUploader()
                     .Name(clientId)