Use software_instance_slap_interface_workflow instead of...

Use software_instance_slap_interface_workflow instead of slave_instance_slap_interface_workflow, because those workflows were merged and slave_instance_slap_interface_workflow was removed

master/bt5/vifib_base/PortalTypeWorkflowChainTemplateItem/workflow_chain_type.xml

 <workflow_chain>
  <chain>
   <type>Slave Instance</type>
-  <workflow>edit_workflow, item_workflow, slave_instance_slap_interface_workflow</workflow>
+  <workflow>edit_workflow, item_workflow, software_instance_slap_interface_workflow</workflow>
  </chain>
  <chain>
   <type>Software Instance</type>
   <workflow>edit_workflow, item_workflow, software_instance_slap_interface_workflow</workflow>
  </chain>
-</workflow_chain>
+</workflow_chain>
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