Fix #4587: "Max 5 flags per 3 days" should account for reapproved flags.

app/models/post_flag.rb

@@ -25,6 +25,7 @@ class PostFlag < ApplicationRecord
   scope :by_system, -> { where(creator: User.system) }
   scope :in_cooldown, -> { by_users.where("created_at >= ?", Danbooru.config.moderation_period.ago) }
   scope :expired, -> { pending.where("post_flags.created_at < ?", Danbooru.config.moderation_period.ago) }
+  scope :active, -> { pending.or(rejected.in_cooldown) }
 
   module SearchMethods
     def creator_matches(creator, searcher)

app/models/user.rb

@@ -356,7 +356,7 @@ class User < ApplicationRecord
 
     def is_flag_limited?
       return false if has_unlimited_flags?
-      post_flags.pending.count >= 5
+      post_flags.active.count >= 5
     end
 
     # Flags are unlimited if you're an approver or you have at least 30 flags