Omnibus upgrade not properly restarting mattermost

Summary

After running sudo rpm -Uvh gitlab-ce-11.4.4-ce.0.el7.x86_64.rpm && sudo gitlab-ctl reconfigure Mattermost is still running old version because it is not properly restarted

Steps to reproduce

1. Install old Omnibus with Mattermost
2. Look at installed Mattermost version
3. Run sudo rpm -Uvh gitlab-ce-11.4.4-ce.0.el7.x86_64.rpm && sudo gitlab-ctl reconfigure

What is the current bug behavior?

Mattermost is still running old version of upgrade

What is the expected correct behavior?

Mattermost should be running new version... which can be achived by running sudo gitlab-ctl hup mattermost