docs(Stdlib): add details around None case for fromOption functions (… #9858

Job	Run time
test-devcontainer	19m 45s
build-compiler (ubuntu-24.04, ocaml-variants.5.3.0+options,ocaml-option-static, true, true, linux...	4m 49s
build-compiler (ubuntu-24.04-arm, ocaml-variants.5.3.0+options,ocaml-option-static, true, true, t...	6m 38s
build-compiler (ubuntu-24.04, ocaml-variants.5.0.0+options,ocaml-option-static, linux-x64, x86_64...	4m 51s
build-compiler (windows-2025, 5.3.0, true, win32-x64, x86_64-pc-windows-gnu, .exe, release)	14m 20s
build-compiler (macos-15, 5.3.0, true, darwin-arm64, aarch64-apple-darwin, release)	7m 56s
build-compiler (macos-15-intel, 5.3.0, true, darwin-x64, x86_64-apple-darwin, release)	11m 42s
pkg-pr-new	53s
api-docs	2m 35s
test-installation-npm (macos-15)	18s
test-installation-npm (ubuntu-24.04)	12s
test-installation-npm (macos-15-intel)	29s
test-installation-npm (windows-2025)	1m 18s
test-installation-pnpm (macos-15)	19s
test-installation-npm (ubuntu-24.04-arm)	16s
test-installation-pnpm (ubuntu-24.04)	21s
test-integration-rewatch (ubuntu-24.04)	3m 36s
test-installation-pnpm (macos-15-intel)	51s
test-integration-rewatch (macos-15-intel)	6m 19s
test-integration-rewatch (windows-2025)	6m 38s
test-integration-rewatch (macos-15)	4m 15s
test-installation-pnpm (ubuntu-24.04-arm)	25s
test-integration-rewatch (ubuntu-24.04-arm)	2m 59s
test-installation-pnpm (windows-2025)	51s
publish	0s
	1h 42m 36s

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