[FIX] email_template: security, email_template no rights for externals

addons/email_template/security/ir.model.access.csv

 id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
-access_email_template,email.template,model_email_template,,1,1,1,0
+access_email_template,email.template,model_email_template,base.group_user,1,1,1,0
 access_email_template_system,email.template system,model_email_template,base.group_system,1,1,1,1

addons/email_template/wizard/mail_compose_message.py

@@ -58,7 +58,7 @@ class mail_compose_message(osv.TransientModel):
 
     _columns = {
         # incredible hack of the day: size=-1 means we want an int db column instead of an str one
-        'template_id': fields.selection(_get_templates, 'Template', size=-1),
+        'template_id': fields.selection(_get_templates, 'Template', size=-1, groups="base.group_user"),
     }
 
     def send_mail(self, cr, uid, ids, context=None):

addons/email_template/wizard/mail_compose_message_view.xml

@@ -6,6 +6,7 @@
             <field name="name">mail.compose.message.form</field>
             <field name="model">mail.compose.message</field>
             <field name="inherit_id" ref="mail.email_compose_message_wizard_form"/>
+            <field name="groups_id" eval="[(4,ref('base.group_user'))]"/>
             <field name="arch" type="xml">
                 <xpath expr="//footer" position="inside">
                     <group class="oe_right" col="1">