[FIX] website_crm: leads on dashboard

The field sales team is not used on lead when created from website.
We use the UTM (i.e. medium) instead to distinguish where the lead is created from.

addons/website_crm/controllers/backend.py

@@ -22,9 +22,11 @@ class WebsiteCrmBackend(WebsiteBackend):
         date_from = datetime.strptime(date_from, DEFAULT_SERVER_DATE_FORMAT)
         date_to = datetime.strptime(date_to, DEFAULT_SERVER_DATE_FORMAT)
 
-        lead_domain = [
-            ('team_id.website_ids', '!=', False),
-        ]
+        lead_domain = []
+
+        website_utm = request.env['ir.model.data'].xmlid_to_res_id('utm.utm_medium_website')
+        if website_utm:
+            lead_domain += [('medium_id', '=', website_utm)]
 
         lead_ids = request.env['crm.lead'].search(
             lead_domain + [