Merge pull request #240 from AlchemyCMS/backport/7.4-stable/pr-238

Author: tvdeyen

app/views/alchemy/admin/users/_fields.html.erb

@@ -14,7 +14,8 @@
     input_html: {
       multiple: true,
       is: 'alchemy-select',
-      class: 'alchemy_selectbox'
+      class: 'alchemy_selectbox',
+      data: { allow_clear: true }
     },
     as: 'select' %>
 <% end %>