feat(social): show friend presence and require online listening

packages/i18n/locales/en/common.json

@@ -387,13 +387,16 @@
     "no_results": "No playlists found"
   },
   "social": {
+    "online": "Online",
+    "offline": "Offline",
+    "together_offline": "Listen together when your friend is online",
     "space": "In your own rhythm",
     "requests": "Requests",
     "find_people": "Find friends",
     "find_conversation": "Find a conversation",
     "find_request": "Find a request",
     "no_requests": "No requests yet. Incoming and outgoing friend requests will appear here.",
-    "status_hidden": "My activity is hidden",
+    "status_hidden": "My music is hidden",
     "privacy_settings": "Privacy and social",
     "blocked_people": "Blocked people",
     "confirm_block": "Block {{name}}?",
@@ -464,11 +467,11 @@
     "quiet": "No sounds. New events appear in the counter.",
     "share_error": "Could not send. Please try again.",
     "attachment_unavailable": "This music is no longer available.",
-    "activity_visibility": "Show my listening activity",
+    "activity_visibility": "Who can see my music",
     "visibility_nobody": "Nobody",
     "visibility_friends": "Friends",
     "visibility_everyone": "Everyone",
-    "activity_privacy_hint": "Hidden by default. Your audience can see the track and open the playlist while you listen.",
+    "activity_privacy_hint": "Music is hidden by default. Your audience can see the track and open the playlist while you listen. Only friends can see your online status.",
     "listening": "Listening now",
     "from_playlist": "Playlist “{{name}}”",
     "kind_listening_request": "Wants to listen with you",