Remove stale entries from cache results

app/controllers/api/v1/accounts_controller.rb

@@ -128,6 +128,6 @@ class Api::V1::AccountsController < ApiController
       end
     end
 
-    raw.map { |status| cached_keys_with_value[status.cache_key] || uncached[status.id] }
+    raw.map { |status| cached_keys_with_value[status.cache_key] || uncached[status.id] }.compact
   end
 end

app/controllers/api/v1/notifications_controller.rb

@@ -39,6 +39,6 @@ class Api::V1::NotificationsController < ApiController
       end
     end
 
-    raw.map { |notification| cached_keys_with_value[notification.cache_key] || uncached[notification.id] }
+    raw.map { |notification| cached_keys_with_value[notification.cache_key] || uncached[notification.id] }.compact
   end
 end

app/controllers/api/v1/timelines_controller.rb

@@ -87,6 +87,6 @@ class Api::V1::TimelinesController < ApiController
       end
     end
 
-    raw.map { |status| cached_keys_with_value[status.cache_key] || uncached[status.id] }
+    raw.map { |status| cached_keys_with_value[status.cache_key] || uncached[status.id] }.compact
   end
 end