apply new rdv_solidarites_session method to recent referent assignati…

…on script

lib/users/transfer_referent.rb

@@ -10,17 +10,14 @@ def initialize(source_referent_id:, target_referent_id:)
 
     def call
       ReferentAssignation.where(agent: source_referent).find_each do |referent_assignation|
-        set_current_agent(referent_assignation)
-        assign_target_and_remove_source_referent(referent_assignation)
+        referent_assignation.agent.with_rdv_solidarites_session do
+          assign_target_and_remove_source_referent(referent_assignation)
+        end
       end
     end
 
     private
 
-    def set_current_agent(referent_assignation)
-      Current.agent = referent_assignation.agent
-    end
-
     def assign_target_and_remove_source_referent(referent_assignation)
       assignation_service = Users::AssignReferent.call(user: referent_assignation.user, agent: target_referent)