List in alphabetical order using second line of address (.i.e. hint/name)

app/models/form/lettings/questions/location_id.rb

@@ -30,7 +30,7 @@ class Form::Lettings::Questions::LocationId < ::Form::Question
     return {} unless lettings_log.scheme
 
     scheme_location_ids = lettings_log.scheme.locations.visible.confirmed.pluck(:id)
-    answer_options.select { |k, _v| scheme_location_ids.include?(k.to_i) }
+    answer_options.select { |k, _v| scheme_location_ids.include?(k.to_i) }.sort_by { |_k, v| v["hint"] }
   end
 
   def hidden_in_check_answers?(lettings_log, _current_user = nil)