tech(extraction.erreurs): isole l'affichage des erreurs d'un champs ds un composant

app/components/dsfr/input_status_message_component.rb

@@ -0,0 +1,13 @@
+module Dsfr
+  class InputStatusMessageComponent < ApplicationComponent
+    def initialize(errors_on_attribute:, error_full_messages:, described_by:)
+      @errors_on_attribute = errors_on_attribute
+      @error_full_messages = error_full_messages
+      @described_by = described_by
+    end
+
+    def render?
+      @errors_on_attribute
+    end
+  end
+end

app/components/dsfr/input_status_message_component/input_status_message_component.html.haml

@@ -0,0 +1,3 @@
+.fr-messages-group{ id: @describedby_id   }
+  - @error_full_messages.each do |error_message|
+    %p{ class: class_names('fr-message' => true, "fr-message--#{@errors_on_attribute ? 'error' : 'valid'}" => true)}= error_message

app/components/editable_champ/editable_champ_component/editable_champ_component.html.haml

@@ -3,13 +3,6 @@
     = render EditableChamp::ChampLabelComponent.new form: @form, champ: @champ, seen_at: @seen_at
   = render component_class.new(form: @form, champ: @champ, seen_at: @seen_at)
 
-  - if errors_on_attribute?
-    - if error_full_messages.size == 1
-      %p.fr-error-text{ id: describedby_id }= error_full_messages.first
-    - else
-      .fr-error-text{ id: describedby_id }
-        %ul.list-style-type-none.fr-pl-0
-          - error_full_messages.each do |error_message|
-            %li= error_message
+  = render Dsfr::InputStatusMessageComponent.new(errors_on_attribute: errors_on_attribute?, error_full_messages: error_full_messages, described_by: describedby_id)
 
   = @form.hidden_field :id, value: @champ.id