body.filter should be used when creating new todos

[nkukarl]

For

todos-express-starter/routes/index.js

Line 58 in 0de3a2a

req.body.completed == true ? 1 : null

Should be req.body.filter == 'completed' ? 1 : null instead as per code in index.ejs
https://github.com/passport/todos-express-starter/blob/main/views/index.ejs#L48-L50