-> This commit add/change the name of the page corresponding to the string
attribute because To be able to detect a field, Knowledge needs to be able to
read its page name.
For more reference: Task-3501211
Task-3524474
closesodoo/odoo#137428
Related: odoo/enterprise#48315
Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>