Fix conference view to allow images from admin and spec file

app/views/decidim/conferences/conferences/show.html.erb

@@ -20,12 +20,12 @@ edit_link(
   <div class="columns mediumlarge-12">
     <section class="section">
       <h3 class="section-heading"><%= t("conferences.show.introduction", scope: "decidim") %></h3>
-      <%= decidim_sanitize translated_attribute(current_participatory_space.short_description) %>
+      <%= decidim_sanitize_editor_admin translated_attribute(current_participatory_space.short_description) %>
     </section>
     <hr class="reset mt-none mb-m">
     <section class="section">
       <h3 class="section-heading"><%= t("conferences.show.details", scope: "decidim") %></h3>
-      <%= decidim_sanitize translated_attribute(current_participatory_space.description) %>
+      <%= decidim_sanitize_editor_admin translated_attribute(current_participatory_space.description) %>
       <div class="row mt-l mb-l">
         <div class="column medium-9 medium-centered">
           <% if current_participatory_space.registrations_enabled? %>

spec/system/conferences_with_image_spec.rb

@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+describe "conference with images", type: :system do
+  let!(:organization) { create :organization }
+  let!(:conference) { create :conference, organization: organization, slug: slug, registrations_enabled: true }
+  let(:slug) { "bla-bla" }
+  let(:user) { create(:user, :confirmed, organization: organization) }
+
+  before do
+    visit_component
+    page.execute_script("$('#dc-modal-accept').click()")
+    visit Decidim::ResourceLocatorPresenter.new(post).path
+  end
+
+  it "shows the image" do
+    expect(page).to have_selector('img src=')
+  end
+end