Extract key from child-element

[JoviDeCroock]

Follow up to #907 CC @jbalsas

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🦋 Changeset detected

Latest commit: 424ef9f

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 3 packages

Name	Type
@preact/signals	Patch
@preact/signals-react	Patch
preact-signals-devtools	Patch

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[github-actions]

Size Change: +72 B (+0.04%)

Total Size: 184 kB

📦 View Changed

Filename	Size	Change
docs/dist/assets/devtools-********.js	914 B	+1 B (+0.11%)
docs/dist/assets/index-********.js	8.38 kB	-1 B (-0.01%)
docs/dist/assets/utils.module-********.js	526 B	+72 B (+15.86%)	⚠️

ℹ️ View Unchanged

Filename	Size
docs/dist/assets/bench-********.js	1.6 kB
docs/dist/assets/client-********.js	46.6 kB
docs/dist/assets/EmbeddedDevtools-********.js	16.6 kB
docs/dist/assets/jsxRuntime.module-********.js	300 B
docs/dist/assets/preact.module-********.js	4.74 kB
docs/dist/assets/signals-core.module-********.js	1.89 kB
docs/dist/assets/signals.module-********.js	2.64 kB
docs/dist/assets/style-********.css	5.26 kB
docs/dist/assets/Unmount-********.js	652 B
docs/dist/basic-********.js	249 B
docs/dist/nesting-********.js	1.15 kB
docs/dist/react-********.js	243 B
packages/core/dist/signals-core.js	1.92 kB
packages/core/dist/signals-core.mjs	1.91 kB
packages/debug/dist/debug.js	4.58 kB
packages/debug/dist/debug.mjs	4.09 kB
packages/devtools-adapter/dist/devtools-adapter.js	2.17 kB
packages/devtools-adapter/dist/devtools-adapter.mjs	1.88 kB
packages/devtools-ui/dist/devtools-ui.js	15.2 kB
packages/devtools-ui/dist/devtools-ui.mjs	14.7 kB
packages/preact-transform/dist/signals-transform.js	1.3 kB
packages/preact-transform/dist/signals-transform.mjs	1.29 kB
packages/preact-transform/dist/signals-transform.umd.js	1.42 kB
packages/preact/dist/signals.js	1.81 kB
packages/preact/dist/signals.mjs	1.75 kB
packages/react-transform/dist/signals-transform.js	7.28 kB
packages/react-transform/dist/signals-transform.mjs	6.47 kB
packages/react-transform/dist/signals-transform.umd.js	7.39 kB
packages/react/dist/signals.js	214 B
packages/react/dist/signals.mjs	165 B
packages/vite-plugin/dist/vite-plugin.js	8.86 kB
packages/vite-plugin/dist/vite-plugin.mjs	7.86 kB

_{compressed-size-action}

[jbalsas]

Makes sense to me! Is there no way we could do this without having to wrap the passed in children in <Item> but still keep the scoped reactivity to the items? 🤔