Fixes
- Watchdog now heals built-in SoC modems
- Interface recovers once registered after network denial
- Network priority list keeps built-in SoC modems
- Network page shows the modem's real mode
- Network mode can widen on LTE-locked QMI modems
- Auto restores all modes after narrowing
- No confirmation popup when switching network mode
- Telemetry updates operator and mode right after interface up
- USSD page explains when the answer arrives by SMS