Add unsectioned content support in EmptyState component

app/components/polaris/empty_state_component.html.erb

@@ -46,4 +46,7 @@
       <img src="<%= @image %>" role="presentation" alt="" class="Polaris-EmptyState__Image">
     </div>
   </div>
+  <% if unsectioned_content.present? %>
+    <%= unsectioned_content %>
+  <% end %>
 <% end %>

app/components/polaris/empty_state_component.rb

@@ -14,6 +14,7 @@ class EmptyStateComponent < Polaris::NewComponent
     end
     renders_one :secondary_action, Polaris::ButtonComponent
     renders_one :footer
+    renders_one :unsectioned_content
 
     def initialize(
       image:,

demo/test/components/previews/structure/empty_state_component_preview.rb

@@ -7,4 +7,7 @@ def with_subdued_footer
 
   def full_width
   end
+
+  def unsectioned_content
+  end
 end

demo/test/components/previews/structure/empty_state_component_preview/unsectioned_content.html.erb

@@ -0,0 +1,12 @@
+<%= polaris_card do %>
+  <%= polaris_empty_state(
+    heading: "Manage your inventory transfers",
+    image: "https://cdn.shopify.com/s/files/1/0262/4071/2726/files/emptystate-files.png",
+  ) do |state| %>
+    <p>Track and receive your incoming inventory from suppliers.</p>
+
+    <% state.unsectioned_content do %>
+      <p>Content outside of EmptyState Section.</p>
+    <% end %>
+  <% end %>
+<% end %>

test/components/polaris/empty_state_component_test.rb

@@ -66,4 +66,17 @@ def test_empty_state_without_actions
 
     assert_no_selector ".Polaris-EmptyState__Details > .Polaris-EmptyState__Actions"
   end
+
+  def test_unsectioned_content
+    render_inline(Polaris::EmptyStateComponent.new(
+      heading: "Title",
+      image: "/image.png",
+    )) do |state|
+      state.unsectioned_content do
+        tag.div id: "unsectioned"
+      end
+    end
+
+    assert_selector ".Polaris-EmptyState > #unsectioned"
+  end
 end

test/test_helpers/component_test_helper.rb

@@ -2,6 +2,7 @@
 
 module Polaris
   module ComponentTestHelpers
+    include ActionView::Helpers::TagHelper
     include ViewComponent::TestHelpers
     include Polaris::ViewHelper
     include Polaris::ActionHelper