[FIX] crm: email link in opportunities help message

The email link in the opportunities help message
was built as:
`<a href="mailto:info">odoo.com</a>`
instead of:
`<a href="mailto:info@odoo.com">info@odoo.com</a>`

opw-669361

addons/crm/crm_lead.py

@@ -928,7 +928,7 @@ class crm_lead(format_address, osv.osv):
             if alias_record and alias_record.alias_domain and alias_record.alias_name:
                 dynamic_help = '<p>%s</p>' % _("""All email incoming to %(link)s  will automatically create new opportunity.
 Update your business card, phone book, social media,... Send an email right now and see it here.""") % {
-                    'link': "<a href='mailto:%s'>%s</a>" % (alias_record.alias_name, alias_record.alias_domain)
+                    'link': "<a href='mailto:%(email)s'>%(email)s</a>" % {'email': '%s@%s' % (alias_record.alias_name, alias_record.alias_domain)}
                 }
                 return '<p class="oe_view_nocontent_create">%s</p>%s%s' % (
                     _('Click to add a new opportunity'),