Introduce new PlayContentHandler to abstract Second Swipe #470

Job	Run time
bookworm armv7 / build	13m 13s
bullseye armv7 / build	12m 35s
bullseye armv7 / test (run_install_common.sh)	13m 38s
bullseye armv7 / test (run_install_faststartup.sh)	10m 1s
bullseye armv7 / test (run_install_webapp_local.sh)	21m 10s
bullseye armv7 / test (run_install_webapp_download.sh)	14m 46s
bullseye armv7 / test (run_install_libzmq_local.sh)	24m 18s
bookworm armv7 / test (run_install_common.sh)	14m 8s
bookworm armv7 / test (run_install_faststartup.sh)	10m 58s
bookworm armv7 / test (run_install_webapp_local.sh)	19m 45s
bookworm armv7 / test (run_install_webapp_download.sh)	13m 16s
bookworm armv7 / test (run_install_libzmq_local.sh)	25m 32s
bullseye armv7 / cleanup	4s
bookworm armv7 / cleanup	2s
	3h 13m 26s

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