Buttons corrected on the sidebar of tag creation

[Souravirus]

Fixes #5612 (<=== Add issue number here)

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

• PR is descriptively titled 📑 and links the original issue above 🔗
• 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 📁
• screenshots/GIFs are attached 📎 in case of UI updation
• 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!

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

Thanks!

[plotsbot]

	2 Messages
📖	@Souravirus 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.
📖	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 progress’, please include ‘[WIP]’ in the title.

Generated by 🚫 Danger

[jywarren]

Checking the test...

Does this also address the menu placement?

I think we'd better make it appear on click, not on hover, too!