test if we have usernames on rooms (#11216)

packages/rocketchat-ui/client/views/app/directory.js

@@ -14,7 +14,7 @@ function directorySearch(config, cb) {
 			if (config.type === 'channels') {
 				return {
 					name: result.name,
-					users: result.usernames.length,
+					users: (result.usernames ? result.usernames.length : result.usersCount) || 0,
 					createdAt: timeAgo(result.ts),
 					lastMessage: result.lastMessage && timeAgo(result.lastMessage.ts),
 					description: result.description,

server/methods/browseChannels.js

@@ -56,19 +56,23 @@ Meteor.methods({
 				return;
 			}
 			return {
-				results: RocketChat.models.Rooms.findByNameAndType(regex, 'c', {
-					...options,
-					sort,
-					fields: {
-						description: 1,
-						topic: 1,
-						name: 1,
-						lastMessage: 1,
-						ts: 1,
-						archived: 1,
-						usernames: 1
-					}
-				}).fetch(),
+				results: RocketChat.models.Rooms.findByNameAndType(
+					regex,
+					'c',
+					{
+						...options,
+						sort,
+						fields: {
+							description: 1,
+							topic: 1,
+							name: 1,
+							lastMessage: 1,
+							ts: 1,
+							archived: 1,
+							usernames: 1,
+							usersCount: 1
+						}
+					}).fetch(),
 				total: RocketChat.models.Rooms.findByNameAndType(regex, 'c').count()
 			};
 		}