fix: store-sync uses `getKeySchema` helper (#2477) #782

Job	Run time
Publish snapshot release to npm	5m 32s
docker / Build and push image (ghcr.io/latticexyz/mud, mud)	4m 30s
docker / Build and push image (ghcr.io/latticexyz/store-indexer, store-indexer)	4m 35s
docker / Build and push image (ghcr.io/latticexyz/faucet, faucet)	4m 25s
test-snapshot / Test create-mud project (ubuntu-latest-16-cores, vanilla)	51s
test-snapshot / Test create-mud project (ubuntu-latest-16-cores, react)	55s
test-snapshot / Test create-mud project (ubuntu-latest-16-cores, react-ecs)	2m 1s
test-snapshot / Test create-mud project (ubuntu-latest-16-cores, phaser)	55s
test-snapshot / Test create-mud project (ubuntu-latest-16-cores, threejs)	49s
test-snapshot / Test create-mud project (windows-latest, vanilla)	1m 33s
test-snapshot / Test create-mud project (windows-latest, react)	1m 32s
test-snapshot / Test create-mud project (windows-latest, react-ecs)	1m 32s
test-snapshot / Test create-mud project (windows-latest, phaser)	1m 42s
test-snapshot / Test create-mud project (windows-latest, threejs)	1m 28s
	32m 20s

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