Bulk dismissal checkboxes don't appear on group vulnerability report

Summary

Bulk vulnerability dismissal checkboxes no longer show on group vulnerability report.

Steps to reproduce

1. Open group vulnerability report
2. Look for checkboxes

Example Project

• https://gitlab.com/groups/gitlab-org/security-products/-/security/vulnerabilities

What is the current bug behavior?

Checkboxes not available for group report

What is the expected correct behavior?

Checkboxes are available

Relevant logs and/or screenshots

Group report

Project report

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

Possibly related to #300994 (comment 627229668)

/cc @matt_wilson