Fix svelte:component props are not properly updated when there are spread props

[konstantinov90]

fix 10602

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• This message body should clearly illustrate what problems it solves.
• Ideally, include a test that fails without this PR but passes with it.

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[changeset-bot]

🦋 Changeset detected

Latest commit: 47de201

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

This PR includes changesets to release 1 package

Name	Type
svelte	Patch

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[dummdidumm]

Thank you, looks good! Could you add a changeset (using npx changeset at the root of the repo)? Then we're good to merge.

[konstantinov90]

changeset done

[dummdidumm]

Thank you!

[konstantinov90]

thanks!