Storage: do not try to calculate free space

Rather assume that if saving content fails, it is because there is no free space left on device.

This fixes long-standing complaints about VLC refusing to store media while there is actually space available.

Fixes #1366 (closed)

changed milestone to %3.6.0

added Cloud Network user feedback labels

approved this merge request

added 9 commits

• 4c06b4d3...cc6443a2 - 8 commits from branch videolan:master
• 201772e7 - Storage: do not try to calculate free space

Compare with previous version

enabled an automatic merge when the pipeline for 201772e7 succeeds

merged