Added validator for extra profile field values with empty name (#33421)

app/validators/empty_profile_field_names_validator.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class EmptyProfileFieldNamesValidator < ActiveModel::Validator
+  def validate(account)
+    return if account.fields.empty?
+
+    account.errors.add(:fields, :fields_with_values_missing_labels) if fields_with_values_missing_names?(account)
+  end
+
+  private
+
+  def fields_with_values_missing_names?(account)
+    account.fields.any? { |field| field.name.blank? && field.value.present? }
+  end
+end