fixup! CLDC-4184: Use the standard question hash function

missed nationality

app/models/form/sales/questions/nationality_all.rb

@@ -5,7 +5,7 @@ class Form::Sales::Questions::NationalityAll < ::Form::Question
     @answer_options = GlobalConstants::COUNTRIES_ANSWER_OPTIONS
     @check_answers_card_number = buyer_index
     @buyer_index = buyer_index
-    @question_number = QUESTION_NUMBER_FROM_YEAR_AND_BUYER_INDEX.fetch(form.start_date.year, QUESTION_NUMBER_FROM_YEAR_AND_BUYER_INDEX.max_by { |k, _v| k }.last)[buyer_index]
+    @question_number = get_question_number_from_hash(QUESTION_NUMBER_FROM_YEAR_AND_BUYER_INDEX, value_key: buyer_index)
   end
 
   def answer_label(log, _current_user = nil)

app/models/form/sales/questions/nationality_all_group.rb

@@ -7,7 +7,7 @@ class Form::Sales::Questions::NationalityAllGroup < ::Form::Question
     @conditional_for = buyer_index == 1 ? { "nationality_all" => [12] } : { "nationality_all_buyer2" => [12] }
     @hidden_in_check_answers = { "depends_on" => [{ id => 12 }] }
     @buyer_index = buyer_index
-    @question_number = QUESTION_NUMBER_FROM_YEAR_AND_BUYER_INDEX.fetch(form.start_date.year, QUESTION_NUMBER_FROM_YEAR_AND_BUYER_INDEX.max_by { |k, _v| k }.last)[buyer_index]
+    @question_number = get_question_number_from_hash(QUESTION_NUMBER_FROM_YEAR_AND_BUYER_INDEX, value_key: buyer_index)
   end
 
   ANSWER_OPTIONS = {