Fix exception related to ENABLE_CMD_EXECUTOR definition
#1668
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If framework is built with `ENABLE_CMD_EXECUTOR` disabled (0), but application is built with it enabled, serial receive causes an exception. This happens because the member data for `HardwareSerial` gets shifted by 4 bytes, so `uart` becomes invalid (we get `options` instead, usually 1). It is safer to always build with `HardwareSerial::commandExecutor` included.
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If framework is built with
ENABLE_CMD_EXECUTORdisabled (0), but application is built with it enabled, serial receive causes an exception.This happens because the member data for
HardwareSerialgets shifted by 4 bytes, souartbecomes invalid (we getoptionsinstead, usually 1).It is safer to always build with
HardwareSerial::commandExecutorincluded.