Improve channel sort

client/views/app/asideNav/channels.coffee

@@ -3,7 +3,7 @@ Template.channels.helpers
 		return t('chatRooms.Members_placeholder')
 
 	rooms: ->
-		return ChatSubscription.find { uid: Meteor.userId(), t: { $in: ['c']}, f: { $ne: true } }, { sort: 'rn': 1 }
+		return ChatSubscription.find { uid: Meteor.userId(), t: { $in: ['c']}, f: { $ne: true } }, { sort: 't': 1, 'rn': 1 }
 
 	selectedUsers: ->
 		return Template.instance().selectedUsers.get()

client/views/app/asideNav/directMessages.coffee

 Template.directMessages.helpers
 	rooms: ->
-		return ChatSubscription.find { uid: Meteor.userId(), t: { $in: ['d']}, f: { $ne: true } }, { sort: 'rn': 1 }
+		return ChatSubscription.find { uid: Meteor.userId(), t: { $in: ['d']}, f: { $ne: true } }, { sort: 't': 1, 'rn': 1 }

client/views/app/asideNav/privateGroups.coffee

@@ -3,7 +3,7 @@ Template.privateGroups.helpers
 		return t('chatRooms.Members_placeholder')
 
 	rooms: ->
-		return ChatSubscription.find { uid: Meteor.userId(), t: { $in: ['p']}, f: { $ne: true } }, { sort: 'rn': 1 }
+		return ChatSubscription.find { uid: Meteor.userId(), t: { $in: ['p']}, f: { $ne: true } }, { sort: 't': 1, 'rn': 1 }
 
 	selectedUsers: ->
 		return Template.instance().selectedUsers.get()

client/views/app/asideNav/starredRooms.coffee

 Template.starredRooms.helpers
 	rooms: ->
-		return ChatSubscription.find { uid: Meteor.userId(), f: true }, { sort: 'rn': 1 }
+		return ChatSubscription.find { uid: Meteor.userId(), f: true }, { sort: 't': 1, 'rn': 1 }