fix(patron): dossier should have a procedure and champ should delegate to dossier

app/controllers/root_controller.rb

@@ -75,6 +75,7 @@ class RootController < ApplicationController
     end
 
     @dossier = Dossier.new(champs_public: all_champs)
+    @dossier.association(:procedure).target = Procedure.new
     all_champs.each do |champ|
       champ.association(:dossier).target = @dossier
       champ.champs.each do |champ|

app/models/champ.rb

@@ -31,9 +31,10 @@ class Champ < ApplicationRecord
   belongs_to :etablissement, optional: true, dependent: :destroy
   has_many :champs, -> { ordered }, foreign_key: :parent_id, inverse_of: :parent, dependent: :destroy
 
+  delegate :procedure, to: :dossier
+
   delegate :libelle,
     :type_champ,
-    :procedure,
     :description,
     :drop_down_list_options,
     :drop_down_other?,