[MIG] website_crm_partner_assign: Code migration to new api

addons/website_crm_partner_assign/__init__.py

addons/website_crm_partner_assign/controllers/main.py

addons/website_crm_partner_assign/data/crm_lead_demo.xml

...bsite_crm_partner_assign/data/crm_partner_assign_data.xml

addons/website_crm_partner_assign/data/portal_data.xml

addons/website_crm_partner_assign/data/res_partner_demo.xml

...ebsite_crm_partner_assign/data/res_partner_grade_demo.xml

addons/website_crm_partner_assign/models/crm_lead.py

addons/website_crm_partner_assign/models/res_partner.py

addons/website_crm_partner_assign/report/crm_lead_report.py

...ebsite_crm_partner_assign/report/crm_lead_report_view.xml

...s/website_crm_partner_assign/report/crm_partner_report.py

...ite_crm_partner_assign/report/crm_partner_report_view.xml

...s/website_crm_partner_assign/security/ir.model.access.csv

addons/website_crm_partner_assign/views/crm_lead_views.xml

...ns/website_crm_partner_assign/views/res_partner_views.xml

...ner_assign/views/website_crm_partner_assign_templates.xml

...bsite_crm_partner_assign/wizard/crm_forward_to_partner.py

...crm_partner_assign/wizard/crm_forward_to_partner_view.xml