Miscellaneous fixes (#23317)

* resolve global record.export.hwaccel_args to fix phantom camera override

* auto-stop debug replay sessions after 12 hours

* docs tweaks

* add more tips to object classification docs

* tweak language

* Store hwaccel errors with timeout so it can retry

* Add error logs for Intel GPU stats

* add area

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Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>