Per review, don't use one line rescue

One line rescue will rescue any exception and doesn't allow for rescuing
specific exception: https://thoughtbot.com/blog/don-t-inline-rescue-in-ruby

config/initializers/flipper.rb

@@ -78,4 +78,8 @@ Flipper::UI.configure do |config|
 end
 
 # Add known feature toggles. This may fail if the database isn't setup yet.
-OpenFoodNetwork::FeatureToggle.setup! rescue ActiveRecord::StatementInvalid
+begin
+  OpenFoodNetwork::FeatureToggle.setup!
+rescue ActiveRecord::StatementInvalid
+  nil
+end