Props contamination using `#each` and `svelte:component`

[BearToCode]

Describe the bug

Mixing #each and svelte:component causes props contamination on versions >= 4.1.0 when #each block is re-evaluated. Link to the REPL

Reproduction

https://svelte.dev/repl/d726672633d548db8ebb15d3b084df36?version=4.2.1

Logs

No response

System Info

REPL@4.2.1

Severity

annoyance

[BearToCode]

I've tried changing the Svelte version (from 4.2.1), here are the results:
<=4.0.5 -> Works flawlessly
4.1.0 -> Leaked key-value prop
>=4.1.2 -> Leaked key, undefined value

Probably related to #9003

[PatrickG]

Duplicate of #9177.
Introduced by #9006 which fixed #9003

[BearToCode]

Right didn't see that!