[FIX] website_forum: fix comment notification subject being forum.post()
[FIX] website_forum: fix comment notification subject being forum.post()

ygol/odoo,ygol/odoo,dfang/odoo,ygol/odoo,ygol/odoo,hip-odoo/odoo,dfang/odoo,hip-odoo/odoo,hip-odoo/odoo,hip-odoo/odoo,dfang/odoo,hip-odoo/odoo,dfang/odoo,dfang/odoo,hip-odoo/odoo,ygol/odoo,dfang/odoo,ygol/odoo,ygol/odoo