Store widget guesses in question text order
Store widget guesses in question text order

Test Plan: Made a question with two dropdowns and verified that the guesses match the question dropdown order with both possible orders, even though the widgets dict had the keys in the same order in both cases.

Reviewers: eater

Reviewed By: eater

Differential Revision: http://phabricator.khanacademy.org/D3912

abe4mvp/perseus,junyiacademy/perseus,daukantas/perseus,ariabuckles/perseus,daukantas/perseus,chirilo/perseus,sachgits/perseus,sachgits/perseus,iamchenxin/perseus,alexristich/perseus,junyiacademy/perseus,huangins/perseus,alexristich/perseus,learningequality/perseus,huangins/perseus,learningequality/perseus,iamchenxin/perseus,ariabuckles/perseus,ariabuckles/perseus,ariabuckles/perseus,abe4mvp/perseus,chirilo/perseus