Add helper method to show grey layout background [SCI-9406]

app/helpers/application_helper.rb

@@ -236,4 +236,17 @@ module ApplicationHelper
     # login_disclaimer: { title: "...", body: "...", action: "..." }
     ApplicationSettings.instance.values['login_disclaimer']
   end
+
+  def show_grey_background?
+    return false unless controller_name && action_name
+
+    %w(
+      my_modules/protocols
+      my_modules/signatures
+      my_modules/activities
+      results/index
+      protocols/show
+      organization/index
+    ).include?("#{controller_name}/#{action_name}")
+  end
 end

app/views/layouts/application.html.erb

@@ -69,15 +69,7 @@
     <span style="display: none;" data-hook="application-body-html"></span>
 
     <div class="sci--layout"
-         data-grey-background="<%= [
-          'my_modules/protocols',
-          'my_modules/signatures',
-          'my_modules/activities',
-          'results/index',
-          'protocols/show',
-          'organization/index'
-         ].include?(controller_name + '/' + action_name)
-        %>"
+         data-grey-background="<%= show_grey_background? %>"
          data-breadcrumbs-collapsed="<%= !@breadcrumbs_items.present? %>"
          data-navigator-collapsed="<%= !@navigator || session[:navigator_collapsed] %>"
          data-left-navigation-collapsed=<%= !user_signed_in? %>