Update notes immediately after closing/reopening

## What does this MR do?
Fixes MR https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/4127 Thanks @bendyorke!
## Are there points in the code the reviewer needs to double check?
Nope.
## Why was this MR needed?
Constant conflicts in that MR
## What are the relevant issue numbers?

## Screenshots (if relevant)

Fixes #15091 

See merge request !4323