[Merge] ~cpete/livecd-rootfs:update-24.04-classic-model-assertion-noble into livecd-rootfs:ubuntu/noble

[Chris Peterson]

Baseline build: https://launchpad.net/~cpete/+livefs/ubuntu/noble/test/+build/675317

Test build: https://launchpad.net/~cpete/+livefs/ubuntu/noble/test/+build/675275
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https://code.launchpad.net/~cpete/livecd-rootfs/+git/livecd-rootfs/+merge/472025
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