Allow managing versions of cookies consent

This can be useful when adding a new cookie or making
modifications that require asking the user again.

app/components/admin/settings/cookies_consent_tab_component.html.erb

@@ -3,6 +3,7 @@
 <%= render Admin::Settings::TableComponent.new(setting_name: "feature") do %>
   <%= render Admin::Settings::RowComponent.new("feature.cookies_consent", type: :feature, tab: tab) %>
   <%= render Admin::Settings::RowComponent.new("cookies_consent.more_info_link", type: :text, tab: tab) %>
+  <%= render Admin::Settings::RowComponent.new("cookies_consent.version_name", type: :text, tab: tab) %>
 <% end %>
 
 <%= render Admin::Cookies::Vendors::TableComponent.new %>

app/components/layout/cookies_consent/banner_component.rb

@@ -8,6 +8,6 @@ class Layout::CookiesConsent::BannerComponent < Layout::CookiesConsent::BaseComp
   private
 
     def cookies_consent_unset?
-      cookies["cookies_consent"].blank?
+      cookies["cookies_consent_#{version_name}"].blank?
     end
 end

app/components/layout/cookies_consent/base_component.rb

@@ -10,4 +10,8 @@ class Layout::CookiesConsent::BaseComponent < ApplicationComponent
   def vendors
     Cookies::Vendor.all
   end
+
+  def version_name
+    Setting["cookies_consent.version_name"].to_s.strip
+  end
 end

app/components/layout/cookies_consent/management_component.html.erb

@@ -1,4 +1,8 @@
-<section id="cookies_consent_management" class="cookies-consent-management reveal" data-reveal aria-labelledby="modal_heading">
+<section id="cookies_consent_management"
+         class="cookies-consent-management reveal"
+         data-reveal
+         aria-labelledby="modal_heading"
+         data-version-name="<%= version_name %>">
   <header>
     <h2 id="modal_heading"><%= t("cookies_management.title") %></h2>
     <button class="close-button" aria-label="<%= t("admin.shared.close_modal") %>" type="button" data-close>