fix(react-signals-transform): Support nested functions accessing signals

[JoviDeCroock]

This was a bit more complex than initially anticipated due to how we have chosen to transform, I wanted to make as little change as possible so here goes...

• This adds a check to our memberExpression that zooms out towards the component definition
• If along the way we encounter any hooks like useEffect/... we bail
• When we reach the highest scope we signal this as a component in need of signals

Fixes https://github.com/preactjs/signals/issues/552 Supersedes https://github.com/preactjs/signals/pull/553

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Latest commit: 83bcaeb7154802624c21e4e51a2a0f3f8e27eb0a

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| Name | Type | | ------------------------------- | ----- | | @preact/signals-react-transform | Patch |

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Size Change: +491 B (+0.61%)

Total Size: 81 kB

Filename	Size	Change
packages/react-transform/dist/signals-*********.js	4.91 kB	+165 B (+3.48%)
packages/react-transform/dist/signals-transform.mjs	4.17 kB	+161 B (+4.02%)
packages/react-transform/dist/signals-transform.umd.js	5.03 kB	+165 B (+3.39%)

ℹ️ View Unchanged

| Filename | Size | | :--- | :---: | | `docs/dist/assets/client.********.js` | 46.3 kB | | `docs/dist/assets/index.********.js` | 838 B | | `docs/dist/assets/jsxRuntime.module.********.js` | 284 B | | `docs/dist/assets/preact.module.********.js` | 4.03 kB | | `docs/dist/assets/signals-core.module.********.js` | 1.4 kB | | `docs/dist/assets/signals.module.********.js` | 2.02 kB | | `docs/dist/assets/style.********.js` | 21 B | | `docs/dist/assets/style.********.css` | 1.21 kB | | `docs/dist/basic-********.js` | 244 B | | `docs/dist/demos-********.js` | 3.41 kB | | `docs/dist/nesting-********.js` | 1.13 kB | | `docs/dist/react-********.js` | 242 B | | `packages/core/dist/signals-core.js` | 1.45 kB | | `packages/core/dist/signals-core.mjs` | 1.47 kB | | `packages/preact/dist/signals.js` | 1.27 kB | | `packages/preact/dist/signals.mjs` | 1.22 kB | | `packages/react/dist/signals.js` | 188 B | | `packages/react/dist/signals.mjs` | 150 B |

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[JoviDeCroock]

Apparently I missed the Suspense tests, I would probably also need to look at higher order components before feeling confident as we might need an early return case for hoc's.

Should be covered in https://github.com/preactjs/signals/pull/582/commits/a8a4f8685a8c0e43fd39d1d15a1c6dc5b354acd2 all tests are passing for me, let's see about CI