fix(gui): Fix usbboot blob dir path
fix(gui): Fix usbboot blob dir path

Change-Type: patch

resin-io/herostratus,resin-io/etcher,resin-io/herostratus,resin-io/resin-etcher,resin-io/etcher,resin-io/resin-etcher,resin-io/etcher,resin-io/etcher,resin-io/etcher