Implement container db folder cleanup on startup (#746) #4721

Job	Run time
set-tags	4s
Check with rustfmt	13s
cargo-clippy	2m 9s
cargo-toml-feature-propagation	1m 59s
build	3m 24s
check-copyright	5s
toml-formatting	54s
typescript-formatting	22s
typescript-linting	19s
check-api-augment	1m 8s
rust-test	27m 23s
Check WASM runtimes with Twiggy	0s
typescript-tests	4m 9s
typescript-tests-flashbox	3m 48s
typescript-tests-frontier	3m 59s
chopsticks-upgrade-test (stagenet_dancebox, dancebox)	36s
typescript-dancebox-specs	26s
typescript-tests-relay	3m 11s
chopsticks-upgrade-test (flashbox, flashbox)	53s
chopsticks-upgrade-test (dancebox, dancebox)	41s
chopsticks-upgrade-test (frontier_template, container-chain-template-frontier)	45s
typescript-tests-simple-template	2m 40s
chopsticks-upgrade-test (stagelight, dancelight)	1m 18s
zombienet-tests (zombie_tanssi)	10m 42s
zombienet-tests (zombie_tanssi_parathreads)	13m 32s
zombienet-tests (zombie_tanssi_rotation)	9m 7s
zombienet-test-upgrade (dancebox)	3m 58s
zombienet-test-upgrade-starlight (dancelight, dancelight)	1m 40s
zombienet-tests (zombie_tanssi_warp_sync)	6m 27s
zombienet-tests (zombie_tanssi_relay)	10m 33s
zombienet-tests (zombie_data_preservers)	11m 39s
docker-tanssi (tanssi)	59s
zombienet-test-upgrade-containers (frontier_template, container-chain-template-frontier)	9m 23s
docker-tanssi (container-chain-simple-template)	38s
zombienet-test-upgrade-containers (simple_template, container-chain-template-simple)	9m 33s
docker-tanssi (container-chain-evm-template)	40s
docker-tanssi (starlight)	1m 0s
	2h 30m 17s

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