extract submission variable form the concept date render helper

app/controllers/concepts_controller.rb

@@ -96,6 +96,7 @@ def show_date_sorted_list
     if @ontology.nil?
       ontology_not_found(params[:ontology])
     else
+      @submission = @ontology.explore.latest_submission(include: 'uriRegexPattern,preferredNamespaceUri')
       page = params[:page]
       @last_date = params[:last_date]
       auto_click = page.to_s.eql?('1')

app/helpers/concepts_helper.rb

@@ -118,14 +118,14 @@ def concepts_li_list(concepts, auto_click: false, selected_id: nil, submission:
     out
   end
 
-  def render_concepts_by_dates(auto_click: false)
+  def render_concepts_by_dates(auto_click: false, submission: @submission)
     return if @concepts_year_month.empty?
 
     first_year, first_month_concepts = @concepts_year_month.shift
     first_month, first_concepts = first_month_concepts.shift
     out = ''
     if same_period?(first_year, first_month, @last_date)
-      out += "<ul>#{concepts_li_list(first_concepts, auto_click: auto_click, submission: @ontology.explore.latest_submission(include:'uriRegexPattern,preferredNamespaceUri'))}</ul>"
+      out += "<ul>#{concepts_li_list(first_concepts, auto_click: auto_click, submission: submission)}</ul>"
     else
       tmp = {}
       tmp[first_month] = first_concepts
@@ -138,8 +138,9 @@ def render_concepts_by_dates(auto_click: false)
     @concepts_year_month.each do |year, month_concepts|
       month_concepts.each do |month, concepts|
         out += "<ul> #{month + ' ' + year.to_s}"
-        out += concepts_li_list(concepts, auto_click: auto_click, selected_id: selected_id, submission: @ontology.explore.latest_submission(include:'uriRegexPattern,preferredNamespaceUri'))
-        out += "</ul>"
+        out += concepts_li_list(concepts, auto_click: auto_click, selected_id: selected_id,
+                                          submission: submission)
+        out += '</ul>'
       end
     end
     raw out