Cleaning/Refactoring of the dojo-core crate. #7436

Job	Run time
clippy	12m 44s
docs	11m 21s
build	3m 43s
cairofmt	5s
dojo-world-bindings-check	3m 53s
ensure-wasm	1m 28s
fmt	1m 2s
test-hurl	2m 25s
ensure-docker	13s
dojo-core-test	2m 40s
dojo-spawn-and-move-example-test	1m 49s
test	16m 44s
ensure-windows	20m 23s
	1h 18m 30s

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