feat(instruction options management): add link to go back to procedure

app/components/procedure/instructeurs_options_component/instructeurs_options_component.html.haml

@@ -66,3 +66,11 @@
           = link_to 'Retour', options_admin_procedure_groupe_instructeurs_path(@procedure), class: 'fr-btn fr-btn--secondary'
         %li
           %button.fr-btn{ disabled: true,  data: { 'enable-submit-if-checked-target': 'submit' } } Continuer
+- if params[:state] != 'choix'
+  .padded-fixed-footer
+    .fixed-footer
+      .fr-container
+        %ul.fr-btns-group.fr-btns-group--inline-md.fr-ml-0
+          %li
+            = link_to admin_procedure_path(id: @procedure), class: 'fr-link fr-icon-arrow-left-line fr-link--icon-left fr-mb-2w fr-mr-2w' do
+              Revenir à l’écran de gestion