On posting new Todo to Day, make missing Todo children not found through adoption.

[plomtask] / templates / condition.html

{% extends 'base.html' %}

{% block content %}
<h3>condition</h3>
<form action="condition?id={{condition.id_ or ''}}" method="POST">
title: <input name="title" value="{{condition.title.newest|e}}" />
description: <input name="description" value="{{condition.description.newest|e}}" />
<input type="submit" value="OK" />
{% endblock %}