fix: Skips lobby check for jicofo.

Skip any lobby check when the occupant is jicofo.
In case of serverside turn on lobby on room creation we do not check and allow jicofo to join.
We check for resource and no is_admin as in default configuration admins is set only for the main muc component.

resources/prosody-plugins/mod_muc_lobby_rooms.lua

@@ -42,6 +42,7 @@ local NOTIFY_LOBBY_ACCESS_GRANTED = 'LOBBY-ACCESS-GRANTED';
 local NOTIFY_LOBBY_ACCESS_DENIED = 'LOBBY-ACCESS-DENIED';
 
 local util = module:require "util";
+local ends_with = util.ends_with;
 local get_room_by_name_and_subdomain = util.get_room_by_name_and_subdomain;
 local is_healthcheck_room = util.is_healthcheck_room;
 local presence_check_status = util.presence_check_status;
@@ -363,9 +364,9 @@ process_host_module(main_muc_component_config, function(host_module, host)
     end);
 
     host_module:hook('muc-occupant-pre-join', function (event)
-        local room, stanza = event.room, event.stanza;
+        local occupant, room, stanza = event.occupant, event.room, event.stanza;
 
-        if is_healthcheck_room(room.jid) or not room:get_members_only() then
+        if is_healthcheck_room(room.jid) or not room:get_members_only() or ends_with(occupant.nick, '/focus') then
             return;
         end
 
@@ -392,7 +393,7 @@ process_host_module(main_muc_component_config, function(host_module, host)
         if whitelistJoin then
             local affiliation = room:get_affiliation(invitee);
             if not affiliation or affiliation == 0 then
-                event.occupant.role = 'participant';
+                occupant.role = 'participant';
                 room:set_affiliation(true, invitee_bare_jid, 'member');
                 room:save();