[IMP] Add upload state tracking on EBICS payment files

account_ebics:
- Add pain_state and ebics_order_number to ebics.file
- Set these fields after a successful upload
- Add neutralized property to api.Environment

account_ebics_batch_payment:
- Add EBICS notebook page with upload info to batch payment form
- Post chatter message with OrderID after upload

account_ebics_payment_order:
- Fix broken postprocess: replace deprecated active_model/active_id
  context keys with model/id

account_ebics_batch_payment/views/account_batch_payment_views.xml

@@ -14,6 +14,19 @@
                     class="oe_highlight"
                 />
             </button>
+            <notebook position="inside">
+                <page
+                    string="EBICS upload info"
+                    name="ebics"
+                    invisible="not ebics_config_id"
+                >
+                    <group name="ebics_info">
+                        <field name="ebics_file_id" string="Upload File" />
+                        <field name="ebics_pain_state" string="Upload Status" />
+                        <field name="ebics_order_number" />
+                    </group>
+                </page>
+            </notebook>
         </field>
     </record>
 </odoo>