[feature request] RF Testing tool to save setting in flash

[hassan789]

The new RF testing tool GUI is great for testing RF (custom antenna performance, etc).

However, for battery powered RF testing, when our device is being tested in a remote lab, we would like the ability to save the RF setting, so that they automatically start in (for example) CW mode on ch-6, 1mbps. Currently, we need to provide some sort of UART cable, and ensure that battery power is not removed.

If it would be possible to save the settings to NVS and burn the flash. This would save a boat load of hassle.