prefs is 5 char length :nerd: #43

Job	Run time
build (RAK_4631_repeater)	2m 8s
build (Heltec_v3_companion_radio_ble)	2m 51s
build (Heltec_v3_room_server)	2m 50s
build (Heltec_v3_repeater)	2m 53s
build (RAK_4631_companion_radio_ble)	2m 16s
build (RAK_4631_room_server)	2m 11s
build (PicoW_repeater)	2m 33s
build (wio-e5-mini_repeater)	1m 41s
build (LilyGo_Tlora_C6_repeater_)	1m 57s
	21m 20s

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