amelioration(usagers.dossiers.erreurs): ETQ usager, lorsque je soumets un dossier avec des erreurs, le format des erreurs est au format du DSFR

Update app/components/dossiers/errors_full_messages.rb
Update app/components/dossiers/errors_full_messages/errors_full_messages.html.haml

Co-authored-by: Colin Darie <colin@darie.eu>

app/components/dossiers/errors_full_messages_component.rb

@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+class Dossiers::ErrorsFullMessagesComponent < ApplicationComponent
+  ErrorDescriptor = Data.define(:anchor, :label, :error_message)
+
+  def initialize(dossier:, errors:)
+    @dossier = dossier
+    @errors = errors
+  end
+
+  def dedup_and_partitioned_errors
+    formated_errors = @errors.to_enum # ActiveModel::Errors.to_a is an alias to full_messages, we don't want that
+      .to_a # but enum.to_a gives back an array
+      .uniq { |error| [error.inner_error.base] } # dedup cumulated errors from dossier.champs, dossier.champs_public, dossier.champs_private which run the validator one time per association
+      .map { |error| to_error_descriptor(error.message, error.inner_error.base) }
+    yield(Array(formated_errors[0..2]), Array(formated_errors[3..]))
+  end
+
+  def to_error_descriptor(str_error, model)
+    ErrorDescriptor.new("##{model.labelledby_id}", model.libelle.truncate(200), str_error)
+  end
+
+  def render?
+    !@errors.empty?
+  end
+end