[FIX] analytic: name_search with negative operators

The algorithm for matching analytic accounts based
on search term is only meant to be used for
simple, positive operators.
In other cases the results will not be what the user
expects. Falling back to the default name_search
behavior will be more useful.

addons/analytic/models/analytic.py

@@ -77,6 +77,8 @@ class account_analytic_account(models.Model):
 
     @api.model
     def name_search(self, name='', args=None, operator='ilike', limit=100):
+        if operator not in ('ilike', 'like', '=', '=like', '=ilike'):
+            return super(account_analytic_account, self).name_search(name, args, operator, limit)
         args = args or []
         domain = ['|', ('code', operator, name), ('name', operator, name)]
         partners = self.env['res.partner'].search([('name', operator, name)], limit=limit)