fix(module: upload): files that aren't pictures can't be downloaded (#560)

components/upload/Upload.razor

@@ -95,7 +95,7 @@
                                                 }
                                                 else
                                                 {
-                                                    <a href="@file.Url">@file.FileName</a>
+                                                    <a target="_blank" href="@file.Url">@file.FileName</a>
                                                 }
                                             </span>
                                         }