[forms] Fix edition of TZDatetime attributes
Parse the submitted web form values into a timezone-aware datetime
(by default, UTC) when such an attribute is edited. This is done using
an automatically-selected (by `web.formfield.guess_field`) field named
`TZDatetimeField`.
Closes #12666598.
Document: cubicweb-doc
Title: CubicWeb documentation
Author: Logilab
Abstract: Some base documentation for CubicWeb users and developpers
Section: Apps/Programming
Format: HTML
Index: /usr/share/doc/cubicweb-documentation/html/index.html
Files: /usr/share/doc/cubicweb-documentation/html/*