fix bug with single thumbnails erroring

app/controllers/rooms_controller.rb

@@ -127,6 +127,12 @@ class RoomsController < ApplicationController
   end
   helper_method :recording_length
 
+  # Prevents single images from erroring when not passed as an array.
+  def safe_recording_images(images)
+    Array.wrap(images)
+  end
+  helper_method :safe_recording_images
+
   private
 
   def room_params

app/views/shared/components/_recording_row.html.erb

@@ -8,7 +8,7 @@
   <td>
     <% p = recording[:playbacks].find do |p| p[:type] == "presentation" end %>
     <% if p %>
-      <% p[:preview][:images][:image].each do |img| %>
+      <% safe_recording_images(p[:preview][:images][:image]).each do |img| %>
         <%= image_tag(img[:content].strip, class: "thumbnail px-2") %>
       <% end %>
     <% end %>