Update /admin/accounts/:id view for ActivityPub (#4600)

* Add protocol field
* Switch protocol specific information according to active protocol
* Hide PuSH subscription related buttons if ActivityPub is active

config/locales/en.yml

@@ -57,6 +57,7 @@ en:
       feed_url: Feed URL
       followers: Followers
       follows: Follows
+      inbox_url: Inbox URL
       ip: IP
       location:
         all: All
@@ -76,8 +77,10 @@ en:
         alphabetic: Alphabetic
         most_recent: Most recent
         title: Order
+      outbox_url: Outbox URL
       perform_full_suspension: Perform full suspension
       profile_url: Profile URL
+      protocol: Protocol
       public: Public
       push_subscription_expires: PuSH subscription expires
       redownload: Refresh avatar