[FIX] website_mail: publications of internal notes

On the font-end view of project.issue, only the messages of type `note` were
display. This excluded the messages recieved via email which makes hard to
understand a conversation (e.g. a customer does not sees his own answers).

Instead, only filter out the notifications (change of states, responsible...)

opw-677426

addons/website_mail/models/mail_message.py

@@ -68,4 +68,3 @@ class MailMessage(osv.Model):
                 if cr.fetchall():
                     raise AccessError(_('The requested operation cannot be completed due to security restrictions. Please contact your system administrator.\n\n(Document type: %s, Operation: %s)') % (self._description, operation))
         return super(MailMessage, self).check_access_rule(cr, uid, ids=ids, operation=operation, context=context)
-

addons/website_mail/views/website_mail.xml

@@ -73,7 +73,7 @@
                 </t>
                 <t t-foreach="messages" t-as="message">
                     <t t-if="message.website_published or website.env.user.sudo(website.env.user.id).has_group('base.group_website_publisher')">
-                        <li class="media" t-if="message.message_type == 'comment'" t-att-id="'message-%s' % message.id">
+                        <li class="media" t-if="message.message_type != 'notification'" t-att-id="'message-%s' % message.id">
                             <div class="media-body">
                                 <img class="media-object pull-left img-circle" t-attf-src="/mail/#{message.model}/#{message.res_id}/avatar/#{message.author_id.id}"
                                     style="width: 50px; margin-right: 10px;"/>