add publish date for updated blocks on review page

lib/engines/content_block_manager/app/components/content_block_manager/content_block_edition/show/confirm_summary_list_component.rb

@@ -72,6 +72,11 @@ def status_item
         field: "Scheduled date and time",
         value: scheduled_value,
       }
+    elsif content_block_edition.document.editions.count > 1
+      {
+        field: "Publish date",
+        value: I18n.l(Time.zone.today, format: :long_ordinal),
+      }
     end
   end
 end

lib/engines/content_block_manager/test/components/content_block/edition/show/confirm_summary_list_component_test.rb

@@ -71,4 +71,34 @@ class ContentBlockManager::ContentBlockEdition::Show::ConfirmSummaryListComponen
       assert_selector ".govuk-summary-list__value", text: I18n.l(content_block_edition.scheduled_publication, format: :long_ordinal)
     end
   end
+
+  describe "when the content block is being updated and published immediately" do
+    it "shows a publish now row" do
+      organisation = create(:organisation, name: "Department for Example")
+
+      content_block_document = create(:content_block_document, :email_address, title: "Some title")
+
+      _previous_edition = create(
+        :content_block_edition,
+        :email_address,
+        organisation:,
+        document: content_block_document,
+      )
+
+      content_block_edition = create(
+        :content_block_edition,
+        :email_address,
+        details: { "interesting_fact" => "value of fact" },
+        organisation:,
+        document: content_block_document,
+      )
+
+      render_inline(ContentBlockManager::ContentBlockEdition::Show::ConfirmSummaryListComponent.new(
+                      content_block_edition:,
+                    ))
+
+      assert_selector ".govuk-summary-list__key", text: "Publish date"
+      assert_selector ".govuk-summary-list__value", text: I18n.l(Time.zone.today, format: :long_ordinal)
+    end
+  end
 end