[IMP]add common Fold option field and display_empty_column on Kanban Group_by

[IMP]remove group_by_full in crm, hr_recruitment kanban load column

[IMP]apply default display in website_forum_doc

[IMP]remove default_group_by field from the kanban fields.

[IMP]website_forum_doc remove document_stage_id from kanabn

[IMP]do the sorting by desc