Refactor `katana` RPC components into smaller crates #4456

Job	Run time
clippy	7m 7s
docs	7m 12s
dojo-spawn-and-move-example-test	5m 41s
dojo-core-test	6m 15s
dojo-world-bindings-check	5m 49s
ensure-wasm	3m 29s
ensure-windows	7m 47s
fmt	1m 25s
test	14m 15s
test-hurl	6m 5s
	1h 5m 5s

Provide feedback