Default button polarity to active-LOW across all firmware types #121

Job	Run time
build (LilyGo_Tlora_C6_repeater_)	2m 0s
build (RAK_4631_companion_radio_ble)	2m 15s
build (wio-e5-mini_repeater)	1m 28s
build (Heltec_v3_companion_radio_ble)	2m 40s
build (Heltec_v3_room_server)	2m 46s
build (RAK_4631_room_server)	2m 20s
build (PicoW_repeater)	2m 32s
build (Heltec_v3_repeater)	2m 35s
build (RAK_4631_repeater)	2m 23s
	20m 59s

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