Show what protocol is used for accounts in admin/accounts#index (#4622)

* Show what protocol used for in admin/accounts#index

* Add frozen_string_literal

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

@@ -4,6 +4,9 @@
   %td.domain
     - unless account.local?
       = link_to account.domain, admin_accounts_path(by_domain: account.domain)
+  %td.protocol
+    - unless account.local?
+      = protocol_for_display(account.protocol)
   %td.confirmed
     - if account.local?
       - if account.user_confirmed?

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

@@ -55,6 +55,7 @@
     %tr
       %th= t('admin.accounts.username')
       %th= t('admin.accounts.domain')
+      %th= t('admin.accounts.protocol')
       %th= t('admin.accounts.confirmed')
       %th= fa_icon 'paper-plane-o'
       %th

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

@@ -33,7 +33,7 @@
         %td= link_to @account.url, @account.url
       %tr
         %th= t('admin.accounts.protocol')
-        %td= @account.protocol
+        %td= protocol_for_display(@account.protocol)
 
       - if @account.ostatus?
         %tr