String value passed into context instead of int when having a self

[Thibault Delavallée (OpenERP)]

String value passed into context instead of int when having a self.

Steps
- 7.0 runbot, with at least CRM installed
- Go into Leads
- Filter by searching a section / salesteam (ex: Sales Department) (which gives a 'Sales Team Sales Department' filter in the search bar)
- Click on create
- Get a traceback
    [...]
    File "/home/odoo/runbot/static/openerp-dev-7-0-5463/server/openerp/osv/orm.py", line 3656, in _read_flat
      cr.execute(query, [tuple(sub_ids)] + rule_params)
    File "/home/odoo/runbot/static/openerp-dev-7-0-5463/server/openerp/sql_db.py", line 161, in wrapper
      return f(self, *args, **kwargs)
    File "/home/odoo/runbot/static/openerp-dev-7-0-5463/server/openerp/sql_db.py", line 226, in execute
      res = self._obj.execute(query, params)
    DataError: invalid input syntax for integer: "Sales Department"
    LINE 1: ... "crm_case_section" WHERE crm_case_section.id IN ('Sales Dep...

Related view (crm/crm_lead_view.xml):
  <field name="section_id" context="{'invisible_section': False, 'default_section_id': self}"/>

Issue seems to be due to self.

[Xavier (Open ERP) (xmo-deactivatedaccount)]

m2o fields are souped up text fields