A new protected terms file in the preferences is gone after a restart

[Siedlerchr]

JabRef version

Latest development branch build (please note build date below)

Operating system

macOS

Details on version and operating system

No response

Checked with the latest development build

• I made a backup of my libraries before testing the latest development version.
• I have tested the latest development version and the problem persists

Steps to reproduce the behaviour

1. Create a new Custom Protected Terms file in the Preferences -> Protected terms file
2. Notice that the terms file is added.
3. Save the preferences
4. Reopen the preferences : Protected Terms file is still there
5. Restart JabRef
6. The protected terms file is no longer in the list

Appendix

No response

[HoussemNasri]

I can reproduce this on windows too

[Siedlerchr]

I foud the problem: The FXCollections.umodiedfableIbservableList adds a WeakListener which gets garbage collected https://stackoverflow.com/a/44343014