Send emails for required participation approvals (#449)

* exchange after_create with after_commit

* fix: remove breakpoint

* Add spec

---------

Co-authored-by: Andreas Maierhofer <maierhofer@puzzle.ch>

Author: B52-Bomber

app/models/pbs/event/application.rb

@@ -11,7 +11,7 @@ module Pbs::Event::Application
 
     has_many :approvals, dependent: :destroy
 
-    after_create :initialize_approval
+    after_commit :initialize_approval, on: :create
   end
 
   def next_open_approval

spec/models/event/participation_spec.rb

@@ -63,6 +63,16 @@
       expect(participation.approvers).to have(2).items
       expect(participation.approvers).to include(people(:bulei), people(:al_schekka))
     end
+
+    it "enqueues approval request job with participation" do
+      event.update!(requires_approval_abteilung: true)
+      participation = Fabricate(:pbs_participation,
+        event: event,
+        application: Event::Application.new(priority_1: event), participant: people(:child))
+      job = Delayed::Job.last.payload_object
+      expect(job).to be_a(Event::ApprovalRequestJob)
+      expect(job.parameters[:participation_id]).to eq participation.id
+    end
   end
 
   context "#j_s_data_sharing_accepted" do