Tails Installer should notify when too small USB drives are not listed on gtk3
Adapt #9130 (closed) to gtk3:
Merge into the feature/gtk3 branch (#8980 (closed)), and adapt.
Feature Branch: kurono:feature/jessie
Parent Task: #8980 (closed)
Related issues
- Related to #9130 (closed)
- Related to #9886 (closed)
Original created by @kurono on 9734 (Redmine)