[FIX] res.partner.bank: the state field must be present in all form/tree views
[FIX] res.partner.bank: the state field must be present in all form/tree views

res.partner.bank overrides fields_get() and sometimes adds
extra `states` attributes on the fields. This requires the
presence of the special `state` field in all views.
splbio/openobject-server,MarkusTeufelberger/openobject-server,splbio/openobject-server,splbio/openobject-server,gisce/openobject-server,MarkusTeufelberger/openobject-server,gisce/openobject-server,gisce/openobject-server,MarkusTeufelberger/openobject-server