CLDC-4176: include new case insensitive fields in field renumbering (#3206)

* CLDC-4176: fix failing tests

* CLDC-4176: renumber case insensitive fields test

app/services/bulk_upload/sales/year2026/row_parser.rb

@@ -149,12 +149,12 @@ class BulkUpload::Sales::Year2026::RowParser
     :field_51, # Age of person 5
     :field_55, # Age of person 6
 
-    :field_122, # Buyer 1's sex, as registered at birth
+    :field_29, # Buyer 1's sex, as registered at birth
-    :field_123, # Buyer/Person 2's sex, as registered at birth
+    :field_36, # Buyer/Person 2's sex, as registered at birth
-    :field_124, # Person 3's sex, as registered at birth
+    :field_44, # Person 3's sex, as registered at birth
-    :field_125, # Person 4's sex, as registered at birth
+    :field_48, # Person 4's sex, as registered at birth
-    :field_126, # Person 5's sex, as registered at birth
+    :field_52, # Person 5's sex, as registered at birth
-    :field_127, # Person 6's sex, as registered at birth
+    :field_56, # Person 6's sex, as registered at birth
 
     :field_64, # What was buyer 2’s previous tenure?
 

spec/services/bulk_upload/sales/year2026/row_parser_spec.rb

@@ -295,7 +295,7 @@ RSpec.describe BulkUpload::Sales::Year2026::RowParser do
         end
 
         context "and case insensitive fields are set to lowercase" do
-          let(:case_insensitive_fields) { %w[field_122 field_123 field_124 field_125 field_126 field_127] }
+          let(:case_insensitive_fields) { %w[field_29 field_36 field_44 field_48 field_52 field_56] }
           let(:case_insensitive_integer_fields_with_r_option) { %w[field_28 field_35 field_43 field_47 field_51 field_55 field_64 field_75 field_70 field_72] }
           let(:attributes) do
             valid_attributes