Fix `@val` shadowing (rewrite using globalThis) (#8098) #9074

Job	Run time
build-compiler (macos-15, 5.3.0, true, darwin-arm64, aarch64-apple-darwin)	4m 49s
build-compiler (ubuntu-24.04, ocaml-variants.5.3.0+options,ocaml-option-static, true, true, linux...	3m 4s
build-compiler (macos-15-intel, 5.3.0, true, darwin-x64, x86_64-apple-darwin)	6m 33s
build-compiler (ubuntu-24.04, ocaml-variants.5.0.0+options,ocaml-option-static, linux-x64, x86_64...	3m 28s
build-compiler (windows-2025, 5.3.0, true, win32-x64, x86_64-pc-windows-gnu, .exe)	6m 7s
build-compiler (ubuntu-24.04-arm, ocaml-variants.5.3.0+options,ocaml-option-static, true, true, t...	3m 46s
api-docs	1m 23s
pkg-pr-new	53s
test-installation-npm (ubuntu-24.04-arm)	15s
test-installation-npm (macos-15-intel)	30s
test-installation-npm (windows-2025)	47s
test-integration-rewatch (macos-15)	1m 36s
test-integration-rewatch (ubuntu-24.04-arm)	1m 7s
test-installation-pnpm (windows-2025)	32s
test-integration-rewatch (macos-15-intel)	2m 40s
test-installation-npm (macos-15)	18s
test-installation-pnpm (ubuntu-24.04)	15s
test-installation-npm (ubuntu-24.04)	14s
test-installation-pnpm (macos-15)	16s
test-installation-pnpm (ubuntu-24.04-arm)	16s
test-integration-rewatch (ubuntu-24.04)	1m 16s
test-integration-rewatch (windows-2025)	2m 53s
test-installation-pnpm (macos-15-intel)	29s
publish	0s
	43m 27s

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