[REF] crm, hr_recruitment, project, sales_team: replace member_ids, now merged with message_follower_ids

...icant

[imp]:improve code and string

[imp]:Used message_follower_ids

[IMP]:improve read_group method

[imp]:improve domain

[Imp]:improve a show a tooltip
follower_ids = [f.id for f in self.pool[].browse(...).message_follower_ids]