Added back button if user input is wrong

[14Richa]

Make sure these boxes are checked before your pull request (PR) is ready to be reviewed and merged. Thanks!

• tests pass -- look for a green checkbox ✔️ a few minutes after opening your PR -- or run tests locally with rake test
• code is in uniquely-named feature branch and has no merge conflicts
• PR is descriptively titled
• ask @publiclab/reviewers for help, in a comment below

We're happy to help you get this ready -- don't be afraid to ask for help, and don't be discouraged if your tests fail at first!

Fixes #[Add issue number here.]

If tests do fail, click on the red X to learn why by reading the logs.

Please be sure you've reviewed our contribution guidelines at https://publiclab.org/contributing-to-public-lab-software

We have a loose schedule of reviewing and pulling in changes every Tuesday and Friday, and publishing changes on Fridays.

Thanks!

[welcome]

Thanks for opening this pull request! Dangerbot will test out your code and reply in a bit with some pointers and requests.
There may be some errors, but don't worry! We're here to help! 👍🎉😄

[plotsbot]

	4 Messages
📖	@14Richa Thank you for your pull request! I’m here to help with some tips and recommendations. Please take a look at the list provided and help us review and accept your contribution! And don’t be discouraged if you see errors – we’re here to help.
📖	Your pull request is on the master branch. Please make a separate feature branch) with a descriptive name like new-blog-design while making PRs in the future.
📖	This pull request doesn’t link to a issue number. Please refer to the issue it fixes (if any) in the body of your PR, in the format: Fixes #123.
📖	It looks like you haven’t marked all the checkboxes. Help us review and accept your suggested changes by going through the steps one by one. If it is still a ‘Work in progresss’, please include ‘[WIP]’ in the title.

Generated by 🚫 Danger

[14Richa]

Fixes #3523

[Souravirus]

Can you provide screenshot of gif as to what is exactly happening @14Richa

[14Richa]

New PR: #3663
From a different branch.