DHCP lease created with empty hostname

[Versty]

Issue Details

Steps to reproduce:

1. Enable DHCP server
2. Configurate DHCP IPv4 settings
3. Add DHCP static lease with name Example
4. Use command udhcpc -x hostname:'Example' from the client to create temporary lease with the same name

• Version of AdGuard Home server:
  • v.0107.8
• How did you install AdGuard Home:
  • Snapcraft
• How did you setup DNS configuration:
  • classic set up
• If it's a router or IoT, please write device model:
  • Lenovo
• CPU architecture:
  • AMD64
• Operating system and version:
  • Ubuntu 20.04.4 LTS

Expected Behavior

Static lease created and new hostname configured automatically

Actual Behavior

Static lease created with an empty hostname

Screenshots

Screenshot:

Additional Information