fix: start fixing problem with variants not getting added to the cleaned csv

app/services/survey_item_values.rb

@@ -3,13 +3,25 @@ class SurveyItemValues
 
   def initialize(row:, headers:, genders:, survey_items:, schools:, disaggregation_data: nil)
     @row = row
-    @headers = headers
+    @headers = include_all_headers(headers:)
     @genders = genders
     @survey_items = survey_items
     @schools = schools
     @disaggregation_data = disaggregation_data
   end
 
+  # Some survey items have variants, i.e.  a survey item with an id of s-tint-q1 might have a variant that looks like s-tint-q1-1.  We must ensure that all variants in the form of s-tint-q1-1 have a matching pair.
+  # We don't ensure that ids in the form of s-tint-q1 have a matching pair because not all questions have variants
+  def include_all_headers(headers:)
+    alternates = headers.filter(&:present?)
+                        .filter { |header| header.end_with? "-1" }
+    alternates.each do |header|
+      main = header.sub(/-1\z/, "")
+      headers.push(main) unless headers.include?(main)
+    end
+    headers
+  end
+
   def dese_id?
     dese_id.present?
   end
@@ -110,7 +122,7 @@ class SurveyItemValues
     @raw_income ||= disaggregation.income
   end
 
-  # TODO - rename these cases
+  # TODO: - rename these cases
   def income
     @income ||= value_from(pattern: /^Income$/i)
     return @income if @income.present?