Svelte 5: @const behave different from 4.2.11 to version 5.0.0

[Intexk]

Describe the bug

if i declare a @const inside an #each block ...it doesn't get reevaluated when the items changes...something that happens in version Svelte 4.

Reproduction

i give 3 REPL
one with old Svelte version REPL
one with new svelte 5 preview REPL
and one with $state REPL

Logs

No response

System Info

System:
    OS: Windows 10 10.0.19045
    CPU: (16) x64 AMD Ryzen 7 5700U with Radeon Graphics
    Memory: 6.73 GB / 15.36 GB
  Binaries:
    Node: 20.10.0 - C:\Program Files\nodejs\node.EXE
    Yarn: 1.22.21 - ~\AppData\Roaming\npm\yarn.CMD
    npm: 10.4.0 - C:\Program Files\nodejs\npm.CMD
  Browsers:
    Edge: Chromium (121.0.2277.128)
    Internet Explorer: 11.0.19041.3636
  npmPackages:
    svelte: ^5.0.0-next.1 => 5.0.0-next.65

Severity

annoyance

[trueadm]

Looks like another place we'll need to do deep_read?