Issue: Inability to access USB drives from webconf capture menu.

[wyleu]

Describe the issue

An audio recording is made on to a USB stick if one is connected, but the webconf capture menu offers no navigation fascilities to access this drive.

To Reproduce

Steps to reproduce the behavior:

1. Record audio
2. Access Webconf Library Capture...
3. See error

Expected behaviour

Webconf whould offer the ability to examine and browser connected audio storage.

Actual behaviour

Configuration

Hardware

Raspberry Pi 4 Model B Rev 1.4
Audio: Behringer UMC1820
Display: Pi 7 Touchscreen Display 800x480
Wiring: MCP23017_EXTRA
I2C: MCP23017@0x20
Profile: v4_studio

System

Debian GNU/Linux 12 (bookworm)
Build Date: 2024-05-21
Memory: 12% (1000M/7809M)
SD Card: 59% (17G/29G)
Temperature: 60.3ºC
Overclock: None
USB/USB DISK: 9% (325M/3.8G)

MIDI & UI

Tuning: 440 Hz
Master Channel: Off
Preload Presets: On
ZS3 (SubSnapShots): On
Power Save: 60 minutes
Audio Levels on Snapshots: On

Software

zyncoder: vangelis (66fa477) 
zynthian-ui: vangelis (657ce98)
zynthian-sys: vangelis (e07dcc5)
zynthian-data: oram (305b301)
zynthian-webconf: vangelis (5bf648e)