`Scheduled` CI pipeline tag is missing on individual pipeline page

Summary

The tag that displays a CI pipeline as being triggered by a schedule is only shown on the pipelines page, not on the individual page

Steps to reproduce

1. Setup and wait for scheduled pipeline to run
2. Browse to individual pipeline page

Example Project

https://gitlab.com/Woodz1/gitlab-bug-repros/-/pipelines/648518932

What is the current bug behavior?

Pipeline page does not show Scheduled tag

What is the expected correct behavior?

Pipeline page should show Scheduled tag like the Pipelines index does.

Relevant logs and/or screenshots

Scheduled tag is displayed on the pipelines page

But not on the individual pipeline page

Output of checks

This bug happens on GitLab.com

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