compiler: Represent pruned scopes instead of inlining #500

Job	Run time
Discover yarn workspaces	8s
Jest babel-plugin-react-compiler	2m 18s
Lint babel-plugin-react-compiler	1m 19s
Run prettier	1m 23s
Test make-read-only-util	1m 34s
Test snap	2m 9s
Test react-compiler-healthcheck	2m 1s
Test babel-plugin-react-compiler	1m 53s
Test eslint-plugin-react-compiler	2m 25s
Test react-compiler-runtime	1m 15s
	16m 25s

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