[IMP] sale,stock: adapt schedule activity new type

Now, the style of exception activity depends on
the activity subtype, since a global warning type
exists.

addons/purchase_stock/data/mail_data.xml

@@ -2,7 +2,7 @@
 <odoo>
 
     <template id="exception_on_po">
-        <div class="alert alert-warning" role="alert">
+        <div>
           Exception(s) occurred on the purchase order(s):
           <t t-foreach="purchase_order_ids" t-as="purchase_order">
               <a href="#" data-oe-model="purchase.order" t-att-data-oe-id="purchase_order.id"><t t-esc="purchase_order.name"/></a>.

addons/sale_stock/views/stock_views.xml

@@ -8,7 +8,7 @@
         </template>
 
         <template id="exception_on_so">
-            <div class="alert alert-warning" role="alert"> 
+            <div>
                 Exception(s) occurred on the sale order(s):
                 <t t-foreach="sale_order_ids" t-as="sale_order">
                     <a href="#" data-oe-model="sale.order" t-att-data-oe-id="sale_order.id"><t t-esc="sale_order.name"/></a>.
@@ -42,7 +42,7 @@
         </template>
 
         <template id="exception_on_picking">
-            <div class="alert alert-warning" role="alert"> 
+            <div>
                 Exception(s) occurred on the picking:
                 <a href="#" data-oe-model="stock.picking" t-att-data-oe-id="origin_picking.id"><t t-esc="origin_picking.name"/></a>.
                 Manual actions may be needed.

addons/stock/models/stock_picking.py

@@ -923,7 +923,7 @@ class Picking(models.Model):
             note = render_method(rendering_context)
 
             self.env['mail.activity'].create({
-                'activity_type_id': self.env.ref('mail.mail_activity_data_todo').id,
+                'activity_type_id': self.env.ref('mail.mail_activity_data_warning').id,
                 'note': note,
                 'user_id': responsible.id,
                 'res_id': parent.id,

addons/stock/views/stock_template.xml

@@ -102,7 +102,7 @@
     </template>
 
     <template id="exception_on_picking">
-        <div class="alert alert-warning" role="alert"> Exception(s) occurred on the picking
+        <div> Exception(s) occurred on the picking
             <a href="#" data-oe-model="stock.picking" t-att-data-oe-id="origin_picking.id"><t t-esc="origin_picking.name"/></a>.
             Manual actions may be needed.
             <div class="mt16">