Add appeals (#17364)

* Add appeals

* Add ability to reject appeals and ability to browse pending appeals in admin UI

* Add strikes to account page in settings

* Various fixes and improvements

- Add separate notification setting for appeals, separate from reports
- Fix style of links in report/strike header
- Change approving an appeal to not restore statuses (due to federation complexities)
- Change style of successfully appealed strikes on account settings page
- Change account settings page to only show unappealed or recently appealed strikes

* Change appealed_at to overruled_at

* Fix missing method error

app/helpers/admin/account_moderation_notes_helper.rb

@@ -1,10 +1,10 @@
 # frozen_string_literal: true
 
 module Admin::AccountModerationNotesHelper
-  def admin_account_link_to(account)
+  def admin_account_link_to(account, path: nil)
     return if account.nil?
 
-    link_to admin_account_path(account.id), class: name_tag_classes(account), title: account.acct do
+    link_to path || admin_account_path(account.id), class: name_tag_classes(account), title: account.acct do
       safe_join([
                   image_tag(account.avatar.url, width: 15, height: 15, alt: display_name(account), class: 'avatar'),
                   content_tag(:span, account.acct, class: 'username'),