feat: locking and retry in FB message parsing (#7701)

.rubocop.yml

@@ -73,7 +73,7 @@ Rails/ApplicationController:
     - 'app/controllers/survey/responses_controller.rb'
 Rails/FindEach:
   Enabled: true
-  Include: 
+  Include:
     - 'app/**/*.rb'
 Rails/CompactBlank:
   Enabled: false
@@ -189,7 +189,6 @@ RSpec/IndexedLet:
 RSpec/NamedSubject:
   Enabled: false
 
-
 # we should bring this down
 RSpec/MultipleMemoizedHelpers:
   Max: 14