Update location available_from

app/models/location.rb

@@ -70,8 +70,12 @@ class Location < ApplicationRecord
   def available_from
     return startdate if startdate.present?
 
+    if FormHandler.instance.in_crossover_period?(now: created_at)
+      FormHandler.instance.collection_start_date(created_at) - 1.year
+    else
       FormHandler.instance.collection_start_date(created_at)
     end
+  end
 
   def open_deactivation
     location_deactivation_periods.deactivations_without_reactivation.first