[PATCH] Warn user about full storage in any device/partition

[PATCH] Warn user about full storage in any device/partition

Currently, we only check for home and / partitions to be full
when warning user. With this commit we instead check for all
partitions / devices that are mounted and not read only.

Co-authored-by: David Edmundson <kde@davidedmundson.co.uk>
Gbp-Pq: Name upstream_9e0939c1_Warn-user-about-full-storage-in-any-device-partition.patch