accounting: suggest payment mode from "create related payment" based trade conditions

bt5/erp5_accounting/SkinTemplateItem/portal_skins/erp5_accounting/Invoice_getCreateRelatedPaymentTransactionDialogDefaultPaymentMode.py

+portal = context.getPortalObject()
+
+payment_mode_from_trade_condition = None
+trade_condition = context.getSpecialiseValue()
+if trade_condition is not None:
+  payment_mode_from_trade_condition = trade_condition.getPaymentConditionPaymentMode()
+
+return payment_mode_from_trade_condition or portal.portal_selections.getSelectionParamsFor(
+    'accounting_create_related_payment_selection').get('payment_mode_for_related_payment')

bt5/erp5_accounting/SkinTemplateItem/portal_skins/erp5_accounting/Invoice_getCreateRelatedPaymentTransactionDialogDefaultPaymentMode.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="PythonScript" module="Products.PythonScripts.PythonScript"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>Script_magic</string> </key>
+            <value> <int>3</int> </value>
+        </item>
+        <item>
+            <key> <string>_bind_names</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="NameAssignments" module="Shared.DC.Scripts.Bindings"/>
+                </klass>
+                <tuple/>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>_asgns</string> </key>
+                        <value>
+                          <dictionary>
+                            <item>
+                                <key> <string>name_container</string> </key>
+                                <value> <string>container</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_context</string> </key>
+                                <value> <string>context</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_m_self</string> </key>
+                                <value> <string>script</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_subpath</string> </key>
+                                <value> <string>traverse_subpath</string> </value>
+                            </item>
+                          </dictionary>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>_params</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>Invoice_getCreateRelatedPaymentTransactionDialogDefaultPaymentMode</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>

bt5/erp5_accounting/SkinTemplateItem/portal_skins/erp5_accounting/Invoice_viewCreateRelatedPaymentTransactionDialog/your_payment_mode.xml

@@ -265,32 +265,20 @@
   </record>
   <record id="2" aka="AAAAAAAAAAI=">
     <pickle>
-      <tuple>
-        <tuple>
-          <string>Products.Formulator.TALESField</string>
-          <string>TALESMethod</string>
-        </tuple>
-        <none/>
-      </tuple>
+      <global name="TALESMethod" module="Products.Formulator.TALESField"/>
     </pickle>
     <pickle>
       <dictionary>
         <item>
             <key> <string>_text</string> </key>
-            <value> <string>python:here.portal_selections.getSelectionParamsFor(\'accounting_create_related_payment_selection\').get(\'payment_mode_for_related_payment\')</string> </value>
+            <value> <string>context/Invoice_getCreateRelatedPaymentTransactionDialogDefaultPaymentMode</string> </value>
         </item>
       </dictionary>
     </pickle>
   </record>
   <record id="3" aka="AAAAAAAAAAM=">
     <pickle>
-      <tuple>
-        <tuple>
-          <string>Products.Formulator.TALESField</string>
-          <string>TALESMethod</string>
-        </tuple>
-        <none/>
-      </tuple>
+      <global name="TALESMethod" module="Products.Formulator.TALESField"/>
     </pickle>
     <pickle>
       <dictionary>