app/overrides/add_admin_tabs.rb
Deface::Override.new(virtual_path: 'spree/admin/shared/_product_tabs',
name: 'product_assembly_admin_product_tabs',
insert_bottom: "[data-hook='admin_product_tabs']",
insert_after: "erb[silent]:contains('content_for(:page_tabs)')",
partial: 'spree/admin/shared/product_assembly_product_tabs',
disabled: false)