Fix active admin (#152)

* Fix active admin

* Use env webpacker css settings except for rspec

* Extracting css is default here

config/initializers/active_admin.rb

@@ -333,3 +333,10 @@ ActiveAdmin.setup do |config|
   #
   config.use_webpacker = true
 end
+
+# Print stylesheet is no longer a separate stylesheet in upstream so we can
+# delete this when the next version bump is released but for now it prevents
+# webpacker issues.
+Rails.application.config.after_initialize do
+  ActiveAdmin.application.stylesheets.delete('active_admin/print.css')
+end

config/webpacker.yml

@@ -16,7 +16,7 @@ default: &default
   cache_manifest: false
 
   # Extract and emit a css file
-  extract_css: false
+  extract_css: true
 
   static_assets_extensions:
     - .jpg
@@ -79,14 +79,14 @@ test:
   # Compile test packs to a separate directory
   public_output_path: packs-test
 
+  # Extract and emit a css file
+  extract_css: false
+
 production:
   <<: *default
 
   # Production depends on precompilation of packs prior to booting for performance.
   compile: false
 
-  # Extract and emit a css file
-  extract_css: true
-
   # Cache manifest.json for performance
   cache_manifest: true