before this commit, karma_user_bio was not added in the
forum forum view and the default value set for the field
was 750, this field decide whether the pop over has to
show or not when user places the mouse hover the author
box in the frontend forum post.
after this commit, as the field is added to the view
end user will be able to adjust the value as per the
need.
closesodoo/odoo#123638
Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>