CLDC-4168: Allow for "r" in mortlen

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

@@ -167,6 +167,9 @@ class BulkUpload::Sales::Year2026::RowParser
     :field_75, # What is the total amount the buyers had in savings before they paid any deposit for the property?
     :field_70, # What is buyer 1’s gross annual income?
     :field_72, # What is buyer 2’s gross annual income?
+
+    :field_90,  # What is the length of the mortgage in years? - Shared ownership
+    :field_118, # What is the length of the mortgage in years? - Discounted ownership
   ].freeze
 
   attribute :bulk_upload

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

@@ -302,7 +302,7 @@ RSpec.describe BulkUpload::Sales::Year2026::RowParser do
 
         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_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(: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 field_90 field_118] }
           let(:attributes) do
             valid_attributes
               .merge(case_insensitive_fields.each_with_object({}) { |field, h| h[field.to_sym] = valid_attributes[field.to_sym]&.downcase })