Submit current version when starting a workflow

Not submitting a version is deprecated

app/lib/pre_assembly/digital_object.rb

@@ -165,7 +165,7 @@ def create_new_version
 
     # Call web service to add assemblyWF to the object in DOR.
     def initialize_assembly_workflow
-      Dor::Config.workflow.client.create_workflow_by_name(druid.druid, 'assemblyWF')
+      Dor::Config.workflow.client.create_workflow_by_name(druid.druid, 'assemblyWF', current_version: current_object_version)
     end
   end
 end

spec/lib/pre_assembly/digital_object_spec.rb

@@ -322,17 +322,20 @@ def add_object_files(extension = 'tif')
     subject(:start_workflow) { object.send(:initialize_assembly_workflow) }
 
     before do
+      allow(Dor::Services::Client).to receive(:object).and_return(object_client)
       allow(Dor::Config.workflow).to receive(:client).and_return(client)
       allow(object).to receive(:druid).and_return(druid)
     end
 
     let(:client) { instance_double(Dor::Workflow::Client, create_workflow_by_name: true) }
+    let(:version_client) { instance_double(Dor::Services::Client::ObjectVersion, current: '5') }
+    let(:object_client) { instance_double(Dor::Services::Client::Object, version: version_client) }
     let(:service_url) { Settings.dor_services_url }
 
     context 'when api client is successful' do
       it 'starts the assembly workflow' do
         start_workflow
-        expect(client).to have_received(:create_workflow_by_name).with(druid.druid, 'assemblyWF')
+        expect(client).to have_received(:create_workflow_by_name).with(druid.druid, 'assemblyWF', current_version: 5)
       end
     end