input(xmlui): added attributes argument to create: specific attributes can be used of named widget (for some widget converted to <input> only so far). The argument is a dict from widget name to a sub dict containing the keyword arguments. The next dict_ext filter is used.

{% extends 'base/base.html' %}

{% block title %}{% trans %}Error {{error_code}}{% endtrans %}{% endblock %}
{% block body %}
{% trans %}An error occured while trying to access the resource.{% endtrans %}
{% endblock body %}
{% block footer %}{% endblock %}