feat: cache canned responses in the browser (#15401)

app/models/canned_response.rb

@@ -11,6 +11,8 @@
 #
 
 class CannedResponse < ApplicationRecord
+  include AccountCacheRevalidator
+
   validates :content, presence: true
   validates :short_code, presence: true
   validates :account, presence: true

app/models/concerns/cache_keys.rb

@@ -8,7 +8,7 @@ module CacheKeys
 
   included do
     class_attribute :cacheable_models
-    self.cacheable_models = [Label, Inbox, Team]
+    self.cacheable_models = [Label, Inbox, Team, CannedResponse]
   end
 
   def cache_keys