Session names in List select not showing on Results-Settings page

[SSchulze1989]

Describe the bug
On the Session selection for the Result (Scoring) settings the Session names are not showing properly until page is reloaded/refreshed for a 2nd time. This also makes all the sessions appear on the right side as "not selected"

To Reproduce
Steps to reproduce the behavior:

1. Go to Settings -> Result
2. Select a Result with individual sesseion selection active
3. If sessions where previously selected see the error

Expected behavior
Session names shoul show up from the first opening of the page