commit 89a03c56dbf4b8cad1a80fe3a53269e0e108a09b
Author: Lukas K. <lu@0x83.eu>
Date:   Thu Sep 14 22:09:30 2023 +0200

    imp board: don't crash when deleting poylgons
    
    got introduced by 31c757ddc7e9d9127eb8a079c58ec7635bc82947
