Prevented error when media item doesn't have description (#274)

lib/pinchflat_web/controllers/media_items/media_item_html/show.html.heex

@@ -43,7 +43,7 @@
                     </.subtle_link>
                   </span>
                 </div>
-                <div class="mt-4 text-bodydark">
+                <div :if={@media_item.description} class="mt-4 text-bodydark">
                   <.break_on_newline text={@media_item.description} />
                 </div>
               </aside>

test/pinchflat_web/controllers/media_item_controller_test.exs

@@ -14,6 +14,13 @@ defmodule PinchflatWeb.MediaItemControllerTest do
 
       assert html_response(conn, 200) =~ "#{media_item.title}"
     end
+
+    test "renders the page when the media item has no description", %{conn: conn} do
+      media_item = media_item_with_attachments(%{description: nil})
+      conn = get(conn, ~p"/sources/#{media_item.source_id}/media/#{media_item}")
+
+      assert html_response(conn, 200) =~ "#{media_item.title}"
+    end
   end
 
   describe "edit media" do