refactor(sozo): migration logic to be more robust and testable #6059

Job	Run time
dojo-core-test	4m 23s
clippy	5m 8s
docs	2m 19s
dojo-spawn-and-move-example-test	4m 24s
ensure-wasm	1m 45s
fmt	1m 27s
ensure-windows	11m 7s
dojo-world-bindings-check	2m 35s
test	10m 6s
test-hurl	1m 20s
	44m 34s

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