Initialise causality state only when needed.

master/bt5/vifib_base/SkinTemplateItem/portal_skins/vifib_simulation/VifibPaymentTransaction_postGeneration.xml

@@ -58,8 +58,9 @@ payment_transaction = context\n
 if payment_transaction.getSimulationState() == "draft":\n
   payment_transaction.plan(comment=translateString("Initialised by Delivery Builder."))\n
 \n
-# First set the payment transaction in the building state on the causality workflow\n
-payment_transaction.startBuilding()\n
+if payment_transaction.getCausalityState() == "draft":\n
+  # First set the payment transaction in the building state on the causality workflow\n
+  payment_transaction.startBuilding()\n
 \n
 # update casuality from movements\n
 causality_list = payment_transaction.getCausalityList()\n

master/bt5/vifib_base/bt/revision

-469
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+470
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