slapos_accounting: build ledger category from delivery builders

master/bt5/slapos_accounting/PathTemplateItem/portal_deliveries/slapos_sale_invoice_builder/category_movement_group_on_delivery.xml

@@ -45,6 +45,7 @@
                 <string>price_currency</string>
                 <string>source_decision</string>
                 <string>destination_decision</string>
+                <string>ledger</string>
               </tuple>
             </value>
         </item>

master/bt5/slapos_accounting/PathTemplateItem/portal_deliveries/slapos_sale_invoice_transaction_trade_model_builder/category_movement_group_on_delivery.xml

@@ -42,6 +42,7 @@
                 <string>source_section</string>
                 <string>destination_section</string>
                 <string>price_currency</string>
+                <string>ledger</string>
               </tuple>
             </value>
         </item>

master/bt5/slapos_accounting/PathTemplateItem/portal_deliveries/slapos_sale_packing_list_builder/category_movement_group_on_delivery.xml

@@ -45,6 +45,7 @@
                 <string>destination_decision</string>
                 <string>price_currency</string>
                 <string>specialise</string>
+                <string>ledger</string>
               </tuple>
             </value>
         </item>