[MIG] website_blog: new api migration

- Task: https://www.odoo.com/web?debug=#id=9783&view_type=form&model=project.task&action=333&active_id=131
- Pad: https://pad.odoo.com/p/r.gSXNQBNaLZL5Ausm
HEllo @tde-banana-odoo , Agree with count=count , but for ids : If i USe Count=Count in search then Also according to new api it will return the object so need to use len(ids or messages) and If not Count then it's recordset so it's better to Pass the recordset in method right???