Something maybe wrong with the code in engine.js

Something maybe wrong with the code in engine.js

I think the following code block in engine.js
```
// Wrap these lines at options.maxLineWidth characters
var body = answers.body ? wrap(answers.body, wrapOptions) : false;
```
should be change to the follwing code:
```
var answerBody = answers.body?answers.body:'';
if (!answerBody) {
if (answers.breakingBody) {
answerBody = answers.breakingBody;
} else if (answers.issuesBody) {
answerBody = answers.issuesBody;
}
}
// Wrap these lines at options.maxLineWidth characters
var body = answerBody ? wrap(answerBody, wrapOptions) : false;
```

Otherwrise, how the questions "breakingBody" and "issuesBody" take effect? Do I miss something?

Open engine.js at the body-wrapping code and trace how breakingBody and issuesBody are collected and used. Verify the expected fallback behavior for those answers, then check the existing test coverage or run the project’s tests to confirm the resulting commit body.

Written by the indexing model from the issue text.