style(admin): fix alignement in editor with type de champ used by routing

app/assets/stylesheets/procedure_champs_editor.scss

@@ -33,10 +33,11 @@
       }
     }
 
-    .delete {
+    .right {
       flex-grow: 1;
       display: flex;
       justify-content: flex-end;
+      align-items: center;
     }
 
     &.first .move-up {

app/components/types_de_champ_editor/champ_component/champ_component.html.haml

@@ -5,13 +5,12 @@
       %button.fr-btn.fr-btn--tertiary-no-outline.fr-icon-arrow-up-line.move-up{ move_button_options(:up) }
       %button.fr-btn.fr-btn--tertiary-no-outline.fr-icon-arrow-down-line.move-down{ move_button_options(:down) }
 
+      .flex.right
         - if coordinate.used_by_routing_rules?
-        .flex.align-center
           %span
             utilisé pour
             = link_to('le routage', admin_procedure_groupe_instructeurs_path(revision.procedure_id, anchor: 'routing-rules'))
         - else
-        .flex.justify-start.delete
           = button_to type_de_champ_path, class: 'fr-btn fr-btn--tertiary-no-outline fr-icon-delete-line', title: "Supprimer le champ", method: :delete, form: { data: { turbo_confirm: 'Êtes vous sûr de vouloir supprimer ce champ ?' } } do
             %span.sr-only Supprimer