changed default connection in power ui to serial
changed default connection in power ui to serial

UCSolarCarTeam/Schulich-Delta-Host-Telemetry,UCSolarCarTeam/Hermes,UCSolarCarTeam/Schulich-Delta-Host-Telemetry,UCSolarCarTeam/Hermes,UCSolarCarTeam/Epsilon-Hermes,UCSolarCarTeam/Epsilon-Hermes