### Steps to reproduce

1. Begin of the insertionEdit work packages in the series backlog (adding/removing, editing, re-ordering)

2. In parallel, go to another occurence of the meetingEnd of the insertion Begin of the deletion TBDEnd of the deletion


### What is the buggy behavior?

* The Begin of the insertion'meeting update'End of the insertion flash Begin of the insertionsometimesEnd of the insertion shows up Begin of the insertionin the second meeting, sometimes doesn'tEnd of the insertion Begin of the deletion when it shouldn'tEnd of the deletion


### What is the expected behavior?

Begin of the insertion* Only show the flash if changes affect _the current_ occurenceEnd of the insertion Begin of the deletion 1. TBDEnd of the deletion