CLDC-3917: Sales BU numstair question range error message (#2984)

* Calculate legend size of date question

* Add numeric error message to numstair question

app/services/bulk_upload/sales/year2025/row_parser.rb

@@ -393,6 +393,15 @@ class BulkUpload::Sales::Year2025::RowParser
             },
             on: :after_log
 
+  validates :field_103,
+            numericality: {
+              greater_than_or_equal_to: 2,
+              less_than_or_equal_to: 10,
+              message: I18n.t("#{ERROR_BASE_KEY}.numeric.within_range", field: "Number of staircasing transactions", min: "2", max: "10"),
+              allow_blank: true,
+            },
+            on: :before_log
+
   validate :validate_buyer1_economic_status, on: :before_log
   validate :validate_buyer2_economic_status, on: :before_log
   validate :validate_valid_radio_option, on: :before_log

app/views/form/_date_question.html.erb

@@ -1,9 +1,10 @@
 <%= render partial: "form/guidance/#{question.top_guidance_partial}" if question.top_guidance? %>
+<% legend = legend(question, page_header, conditional) %>
 <%= render partial: "components/date_picker", locals:
         {
           resource: @log,
           question_id: question.id,
-          legend: { text: legend(question, page_header, conditional)[:text], size: "l", caption: caption(caption_text, page_header, conditional) },
+          legend: { text: legend[:text], size: legend[:size], caption: caption(caption_text, page_header, conditional) },
           resource_type: @log.log_type,
           hint: (question.hint_text.blank? ? "" : (question.hint_text.html_safe + "</br></br>".html_safe)) + "For example, #{date_mid_collection_year_formatted(@log.startdate).tr(' ', '/')}",
           f:,