anchor.diff:    <div data-module="toggle-attribute">
       <%
         show_all_attributes = {
  +        event_name: "select_content",
           type: "accordion",
           index: 0,
  -        "index-total": number_of_accordion_sections,
  +        index_total: number_of_accordion_sections,
           section: "n/a"
         }
       %>
  
positive.code:         module: "govuk-accordion"
        },
        data_attributes_show_all: {
          "gtm-event-name": "select_content",
          "gtm-attributes": show_all_attributes.to_json
        },
        items: accordion_contents,
        margin_bottom: 3
  
negative.code:         track_label: section["title"],
          track_dimension: number_of_accordion_sections,
          track_dimension_index: 26,
          ga4: {
            event_name: 'select_content',
            type: 'accordion',
            text: section["title"],
            index: index + 1,
            index_total: number_of_accordion_sections,
            section: 'n/a',
            action: 'n/a',
          }
  