feat(gallery): add origin tag to gallery item

spec/components/attachment/gallery_item_component_spec.rb

@@ -3,6 +3,7 @@
 require 'rails_helper'
 
 RSpec.describe Attachment::GalleryItemComponent, type: :component do
+  let(:instructeur) { create(:instructeur) }
   let(:procedure) { create(:procedure, :published, types_de_champ_public:) }
   let(:types_de_champ_public) { [{ type: :piece_justificative }] }
   let(:dossier) { create(:dossier, :with_populated_champs, :en_construction, procedure:) }
@@ -18,10 +19,11 @@ RSpec.describe Attachment::GalleryItemComponent, type: :component do
     let(:libelle) { champ.libelle }
     let(:attachment) { champ.piece_justificative_file.attachments.first }
 
-    it "displays libelle, link and renders title" do
+    it "displays libelle, link, tag and renders title" do
       expect(subject).to have_text(libelle)
       expect(subject).not_to have_text('Pièce jointe au message')
       expect(subject).to have_link(filename)
+      expect(subject).to have_text('Dossier usager')
       expect(component.title).to eq("#{libelle} -- #{filename}")
     end
 
@@ -42,10 +44,20 @@ RSpec.describe Attachment::GalleryItemComponent, type: :component do
     let(:commentaire) { create(:commentaire, :with_file, dossier: dossier) }
     let(:attachment) { commentaire.piece_jointe.first }
 
-    it "displays a generic libelle, link and renders title" do
-      expect(subject).to have_text('Pièce jointe au message')
-      expect(subject).to have_link(filename)
-      expect(component.title).to eq("Pièce jointe au message -- #{filename}")
+    context 'from an usager' do
+      it "displays a generic libelle, link, tag and renders title" do
+        expect(subject).to have_text('Pièce jointe au message')
+        expect(subject).to have_link(filename)
+        expect(subject).to have_text('Messagerie (usager)')
+        expect(component.title).to eq("Pièce jointe au message -- #{filename}")
+      end
+    end
+
+    context 'from an instructeur' do
+      before { commentaire.update!(instructeur:) }
+      it "displays the right tag" do
+        expect(subject).to have_text('Messagerie (instructeur)')
+      end
     end
   end
 end