perf(compose): check if it is a instance only once #5788

Job	Run time
Fastly Compute	1m 5s
Bun	4s
Checking if it's valid for JSR	14s
Deno	18s
AWS Lambda	1m 4s
Lambda@Edge	59s
Main	21s
Node.js v18.18.2	1m 8s
perf-measures-type-check-on-main	0s
perf-measures-type-check-on-pr	20s
Node.js v20.x	59s
workerd	1m 10s
Node.js v22.x	1m 7s
Coverage	0s
	8m 49s

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