Simplify error handling in wardrobe v2

app/controllers/outfits_controller.rb

@@ -102,7 +102,7 @@ class OutfitsController < ApplicationController
 
     # Preload the manifests for all visible layers, so they load efficiently
     # in parallel rather than sequentially when rendering
-    SwfAsset.preload_manifests(@outfit.visible_layers) if @outfit.pet_state
+    SwfAsset.preload_manifests(@outfit.visible_layers)
 
     render layout: false
   end

app/models/outfit.rb

@@ -170,6 +170,8 @@ class Outfit < ApplicationRecord
   end
 
   def visible_layers
+    return [] if pet_state.nil?
+
     # TODO: This method doesn't currently handle alt styles! If the outfit has
     # an alt_style, we should use its layers instead of pet_state layers, and
     # filter items to only those with body_id=0. This isn't needed yet because

app/views/outfits/new_v2.html.haml

@@ -19,16 +19,13 @@
     = turbo_frame_tag "outfit-editor" do
       .wardrobe-container
         .outfit-preview-section
-          - if @outfit.pet_state
-            = outfit_viewer @outfit
-          - elsif @pet_type.nil?
+          - if @pet_type.nil?
             .no-preview-message
               %p
                 We haven't seen this kind of pet before! Try a different species/color
                 combination.
           - else
-            .no-preview-message
-              %p Loading...
+            = outfit_viewer @outfit
 
         .outfit-controls-section
           %h1 Customize your pet