Add trending statuses (#17431)

* Add trending statuses

* Fix dangling items with stale scores in localized sets

* Various fixes and improvements

- Change approve_all/reject_all to approve_accounts/reject_accounts
- Change Trends::Query methods to not mutate the original query
- Change Trends::Query#skip to offset
- Change follow recommendations to be refreshed in a transaction

* Add tests for trending statuses filtering behaviour

* Fix not applying filtering scope in controller

app/policies/account_policy.rb

@@ -68,4 +68,8 @@ class AccountPolicy < ApplicationPolicy
   def unblock_email?
     staff?
   end
+
+  def review?
+    staff?
+  end
 end

app/policies/preview_card_policy.rb

@@ -5,7 +5,7 @@ class PreviewCardPolicy < ApplicationPolicy
     staff?
   end
 
-  def update?
+  def review?
     staff?
   end
 end

app/policies/preview_card_provider_policy.rb

@@ -5,7 +5,7 @@ class PreviewCardProviderPolicy < ApplicationPolicy
     staff?
   end
 
-  def update?
+  def review?
     staff?
   end
 end

app/policies/status_policy.rb

@@ -41,6 +41,10 @@ class StatusPolicy < ApplicationPolicy
     staff? || owned?
   end
 
+  def review?
+    staff?
+  end
+
   private
 
   def requires_mention?

app/policies/tag_policy.rb

@@ -12,4 +12,8 @@ class TagPolicy < ApplicationPolicy
   def update?
     staff?
   end
+
+  def review?
+    staff?
+  end
 end