Fix not all of account's active IPs showing up in admin UI (#12909)

app/models/user.rb

@@ -290,6 +290,21 @@ class User < ApplicationRecord
     setting_display_media == 'hide_all'
   end
 
+  def recent_ips
+    @recent_ips ||= begin
+      arr = []
+
+      session_activations.each do |session_activation|
+        arr << [session_activation.updated_at, session_activation.ip]
+      end
+
+      arr << [current_sign_in_at, current_sign_in_ip] if current_sign_in_ip.present?
+      arr << [last_sign_in_at, last_sign_in_ip] if last_sign_in_ip.present?
+
+      arr.sort_by(&:first).uniq(&:last).reverse!
+    end
+  end
+
   protected
 
   def send_devise_notification(notification, *args)

app/views/admin/accounts/show.html.haml

@@ -139,12 +139,12 @@
               %time.formatted{ datetime: @account.created_at.iso8601, title: l(@account.created_at) }= l @account.created_at
             %td
 
-          %tr
-            %th= t('admin.accounts.most_recent_ip')
-            %td= @account.user_current_sign_in_ip
-            %td
-              - if @account.user_current_sign_in_ip
-                = table_link_to 'search', t('admin.accounts.search_same_ip'), admin_accounts_path(ip: @account.user_current_sign_in_ip)
+          - @account.user.recent_ips.each_with_index do |(_, ip), i|
+            %tr
+              - if i.zero?
+                %th{ rowspan: @account.user.recent_ips.size }= t('admin.accounts.most_recent_ip')
+              %td= ip
+              %td= table_link_to 'search', t('admin.accounts.search_same_ip'), admin_accounts_path(ip: ip)
 
           %tr
             %th= t('admin.accounts.most_recent_activity')