Prevent from enabling more than X policies for given type in security policy project

Summary

• A user can enable more security policies than there is a limit for
• They cannot create new ones due to #411854 (comment 1817021594), but they can enable existing policies

Steps to reproduce

Example Project

What is the current bug behavior?

What is the expected correct behavior?

Relevant logs and/or screenshots

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

• frontend inject maxActiveScanExecutionPoliciesReached, maxActiveScanResultPoliciesReached, maxScanExecutionPoliciesAllowed, and maxScanResultPoliciesAllowed into editor_layout.vue and disable the enabled radio buttons
• frontend add tooltip