home.py: move initial_presences as presenses to register_ret.

Simplify the page_params generation logic #3853.

static/js/activity.js

@@ -417,8 +417,9 @@ exports.initialize = function () {
                 onActive: focus_gained,
                 keepTracking: true});
 
-    presence.set_info(page_params.initial_presences,
+    presence.set_info(page_params.presences,
                       page_params.initial_servertime);
+
     exports.build_user_sidebar();
     exports.update_huddles();
 

zerver/tests/test_home.py

@@ -71,7 +71,6 @@ class HomeTest(ZulipTestCase):
             "have_initial_messages",
             "hotspots",
             "initial_pointer",
-            "initial_presences",
             "initial_servertime",
             "is_admin",
             "language_list",
@@ -92,6 +91,7 @@ class HomeTest(ZulipTestCase):
             "people_list",
             "pm_content_in_desktop_notifications",
             "poll_timeout",
+            "presences",
             "prompt_for_invites",
             "realm_add_emoji_by_admins_only",
             "realm_allow_message_editing",

zerver/views/home.py

@@ -242,7 +242,6 @@ def home_real(request):
         # TODO: Rename these to match register_ret values.
         people_list           = register_ret['realm_users'],
         initial_pointer       = register_ret['pointer'],
-        initial_presences     = register_ret['presences'],
         event_queue_id        = register_ret['queue_id'],
 
         # Misc. extra data.
@@ -276,6 +275,7 @@ def home_real(request):
         'max_message_id',
         'muted_topics',
         'never_subscribed',
+        'presences',
         'realm_add_emoji_by_admins_only',
         'realm_allow_message_editing',
         'realm_authentication_methods',