feat: merge upstream master - version 4.94

Merge upstream PiKVM master branch updates:

- Bump version from 4.93 to 4.94
- HID: improved jiggler pattern for better compatibility
- Streamer: major refactoring for improved performance and maintainability
- Prometheus: tidying GPIO channel name formatting
- Web: added __gpio-label class for custom styling
- HID: customizable /api/hid/print delay configuration
- ATX: independent power/reset regions for better control
- OLED: added --fill option for display testing
- Web: improved keyboard handling in modal dialogs
- Web: enhanced login error messages
- Switch: added heartbeat functionality
- Web: mouse touch code simplification and refactoring
- Configs: use systemd-networkd-wait-online --any by default
- PKGBUILD: use cp -r to install systemd units properly
- Various bug fixes and performance improvements

kvmd/apps/otg/__init__.py

@@ -291,8 +291,9 @@ def _cmd_start(config: Section) -> None:  # pylint: disable=too-many-statements,
 
     profile_path = join(gadget_path, usb.G_PROFILE)
     _mkdir(profile_path)
-    _mkdir(join(profile_path, "strings/0x409"))
-    _write(join(profile_path, "strings/0x409/configuration"), f"Config 1: {config.otg.config}")
+    if config.otg.config:
+        _mkdir(join(profile_path, "strings/0x409"))
+        _write(join(profile_path, "strings/0x409/configuration"), config.otg.config)
     _write(join(profile_path, "MaxPower"), config.otg.max_power)
     if config.otg.remote_wakeup:
         # XXX: Should we use MaxPower=100 with Remote Wakeup?