Add waiting time to list of pending accounts in admin UI (#10985)

app/controllers/admin/accounts_controller.rb

@@ -48,13 +48,13 @@ module Admin
     def approve
       authorize @account.user, :approve?
       @account.user.approve!
-      redirect_to admin_accounts_path(pending: '1')
+      redirect_to admin_pending_accounts_path
     end
 
     def reject
       authorize @account.user, :reject?
       SuspendAccountService.new.call(@account, including_user: true, destroy: true, skip_distribution: true)
-      redirect_to admin_accounts_path(pending: '1')
+      redirect_to admin_pending_accounts_path
     end
 
     def unsilence

app/views/admin/pending_accounts/_account.html.haml

@@ -8,6 +8,8 @@
         = "(@#{account.username})"
       %br/
       = account.user_current_sign_in_ip
+      •
+      = t 'admin.accounts.time_in_queue', time: time_ago_in_words(account.user&.created_at)
 
     - if account.user&.invite_request&.text&.present?
       .pending-account__body