Fix getRoomIdByNameOrId to allow getting id from joined room

server/methods/getRoomIdByNameOrId.coffee

@@ -3,7 +3,10 @@ Meteor.methods
 
 		room = RocketChat.models.Rooms.findOneById(rid) or RocketChat.models.Rooms.findOneByName(rid)
 
+		if room.usernames.indexOf(Meteor.user()?.username) isnt -1
+			return room._id
+
 		if room?.t isnt 'c' or RocketChat.authz.hasPermission(Meteor.userId(), 'view-c-room') isnt true
-			throw new Meteor.Error 'error-not-allowed', 'Not allowed', { method: 'joinRoom' }
+			throw new Meteor.Error 'error-not-allowed', 'Not allowed', { method: 'getRoomIdByNameOrId' }
 
 		return room._id