expose svelte/ssr which have noop for lifecycle events

[tanhauhau]

Fixes #6372

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• It's really useful if your PR references an issue where it is discussed ahead of time. In many cases, features are absent for a reason. For large changes, please create an RFC: https://github.com/sveltejs/rfcs
• This message body should clearly illustrate what problems it solves.
• Ideally, include a test that fails without this PR but passes with it.

Tests

• Run the tests with npm test and lint the project with npm run lint

[benmccann]

Lgtm. I'm not sure if there's anything we need to do to document this either here or in the Rollup plugin PR?

[tanhauhau]

Lgtm. I'm not sure if there's anything we need to do to document this either here or in the Rollup plugin PR?

Yes, sveltejs/rollup-plugin-svelte#186

[dummdidumm]

I think @dominikg needs to handle this, too, in the vite plugin

[dominikg]

I think @dominikg needs to handle this, too, in the vite plugin

Indeed. thanks for alerting me.
I'll copy the approach in the rollup plugin MR, but it may get more complicated due to the fact that in vite we run both ssr and dom at the same time during dev.

[Conduitry]

Released in 3.39.0.