Try to reduce possible errors when 2 functions tries to update the listbox DOM

It is already provided by jio

[erp5_web_renderjs_ui] Listbox: cancel previous line rendering to not conflict with the asynchronous render

As form_validation_error was not set in render, validation errors were still visible after an edit.

Reuse listfield gadget for the rendering.

Dynamically add/remove listfield to improve usage.

Try to reduce number of DOM modifications.
Display value even if not present in the item list.

Use an html5 input subgadget to handle the DOM events