fix: properly add owners to function bindings

[Rich-Harris]

alternative to #14960 — I might be missing something but I think we just need to call the getter inside the effect, rather than doing any fancy static analysis footwork

Closes #14956

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[Rich-Harris]

preview: https://svelte-dev-git-preview-svelte-14962-svelte.vercel.app/

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[github-actions]

Playground

pnpm add https://pkg.pr.new/svelte@14962

[paoloricciuti]

Should we add back the Set thing i've added to prevent unnecessary effects?

[Rich-Harris]

Seems like it's probably overkill - how often do you have multiple bindings pointing to the same value?

[paoloricciuti]

Seems like it's probably overkill - how often do you have multiple bindings pointing to the same value?

I mean it's done at compile time but I think it's fine as is if we want