Visual bugs in the "add a rotation" modal

Summary

Some visual regressions have appeared in the add a rotation modal on the on-call schedules page.

Steps to reproduce

Visit the on-call schedule page. Create a schedule. Then click to add a rotation. The bugs are visible in the "add a rotation" modal.

Example Project

Visible in Tanuki Inc

What is the current bug behavior?

What is the expected correct behavior?

• User chips used to be different colors (following the data visualization patterns in Pajamas)
• Labels and toggles were on a single line:

Relevant logs and/or screenshots

(See above)

Output of checks

Results of GitLab environment info

Expand for output related to GitLab environment info

(For installations with omnibus-gitlab package run and paste the output of:
`sudo gitlab-rake gitlab:env:info`)

(For installations from source run and paste the output of:
`sudo -u git -H bundle exec rake gitlab:env:info RAILS_ENV=production`)

Results of GitLab application Check

Expand for output related to the GitLab application check

(For installations with omnibus-gitlab package run and paste the output of:
sudo gitlab-rake gitlab:check SANITIZE=true)
(For installations from source run and paste the output of:
sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production SANITIZE=true)
(we will only investigate if the tests are passing)

Possible fixes