Change "federation" admin UI link to point to "limited" domains (#9762)

app/views/admin/instances/_instance.html.haml

@@ -1,5 +0,0 @@
-%tr
-  %td
-    = link_to instance.domain, admin_instance_path(instance)
-  %td.count
-    = instance.accounts_count

config/navigation.rb

@@ -29,7 +29,7 @@ SimpleNavigation::Configuration.run do |navigation|
       admin.item :accounts, safe_join([fa_icon('users fw'), t('admin.accounts.title')]), admin_accounts_url, highlights_on: %r{/admin/accounts}
       admin.item :invites, safe_join([fa_icon('user-plus fw'), t('admin.invites.title')]), admin_invites_path
       admin.item :tags, safe_join([fa_icon('tag fw'), t('admin.tags.title')]), admin_tags_path
-      admin.item :instances, safe_join([fa_icon('cloud fw'), t('admin.instances.title')]), admin_instances_url, highlights_on: %r{/admin/instances|/admin/domain_blocks}, if: -> { current_user.admin? }
+      admin.item :instances, safe_join([fa_icon('cloud fw'), t('admin.instances.title')]), admin_instances_url(limited: '1'), highlights_on: %r{/admin/instances|/admin/domain_blocks}, if: -> { current_user.admin? }
       admin.item :email_domain_blocks, safe_join([fa_icon('envelope fw'), t('admin.email_domain_blocks.title')]), admin_email_domain_blocks_url, highlights_on: %r{/admin/email_domain_blocks}, if: -> { current_user.admin? }
     end