feat: Add Idle Shutdown Timer support #424

Job	Run time
bookworm armv7 / build	1m 38s
bullseye armv7 / build	1m 31s
bookworm armv7 / test (run_install_common.sh)	14m 32s
bookworm armv7 / test (run_install_faststartup.sh)	10m 52s
bookworm armv7 / test (run_install_webapp_local.sh)	20m 48s
bookworm armv7 / test (run_install_webapp_download.sh)	14m 51s
bookworm armv7 / test (run_install_libzmq_local.sh)	24m 33s
bullseye armv7 / test (run_install_common.sh)	13m 24s
bullseye armv7 / test (run_install_faststartup.sh)	10m 5s
bullseye armv7 / test (run_install_webapp_local.sh)	21m 23s
bullseye armv7 / test (run_install_webapp_download.sh)	14m 32s
bullseye armv7 / test (run_install_libzmq_local.sh)	23m 29s
bookworm armv7 / cleanup	2s
bullseye armv7 / cleanup	2s
	2h 51m 42s

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