Modbus, charger, genset settings, bug fixes

Revert MQTT/VRM portal ID requirement

RS system support, performance improvements, fixes

gui v1 side improvements, various BMS, ESS, etc. bug fixes

AC input, tank gauge, side panel and browser fixes

Brief page side panel improvements, various bug fixes

Missing ESS setting, various fixes

Layout fixes for languages, 3-phase view for AC loads, bug fixes

Min/max gauge settings, hide empty Levels page, various fixes

Multiphase gauges, min/max, various fixes