move ConditionalExpression visitor to `exit` so it runs after transform-node-env-inline
move ConditionalExpression visitor to `exit` so it runs after transform-node-env-inline

This feels like the wrong way to fix it, but it works. (Should instead the ConditionalExpression be requeued for traversal when its condition is modified? I don't understand Babel well enough to know.)

erikdesjardins/babel-plugin-transform-dead-code-elimination