On my Fairphone 4 own LineageOS 22.2.
df -h /data/
Filesystem Size Used Avail Use% Mounted on /dev/block/dm-39 222G 221G 780M 100% /data/user/0
Filesystem Size Used Avail Use% Mounted on /dev/block/dm-39 222G 198G 24G 90% /data/user/0
solves the issue.