Increase MIDI speed by 20% by saturating at end (#792) #588

Job	Run time
Build RP2040 (5-)	3m 42s
Build RP2040 (1-)	4m 45s
Build RP2040 (2-)	4m 35s
Build RP2040 (3-)	3m 33s
Build RP2040 (4-)	4m 45s
Build all examples on Arduino-ESP8266 latest release (5-)	4m 33s
Host tests	2m 17s
Build all examples on Arduino-ESP32 latest release (4-)	6m 44s
Build all examples on Arduino-ESP32 latest release (5-)	6m 20s
Build all examples on Arduino-ESP8266 latest release (3-)	4m 29s
Build all examples on Arduino-ESP32 latest release (3-)	6m 26s
Build all examples on Arduino-ESP32 latest release (1-)	7m 23s
Build all examples on Arduino-ESP8266 latest release (1-)	3m 54s
Build all examples on Arduino-ESP32 latest release (2-)	6m 29s
lint	9s
Spelling, Style	2m 23s
Build all examples on Arduino-ESP8266 latest release (2-)	4m 22s
Build all examples on Arduino-ESP8266 latest release (4-)	4m 14s
	1h 21m 3s

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