<FastList> was created with unknown prop 'selectedItems'

[nix-universe]

Observed in dev, not yet in release. Sporadic.

Reproduction

1. Open the app (dev)
2. Open console logs.
3. Try selecting different folders (if necessary, accounts) until the error log appears in the console.

Actual Behaviour

<FastList> was created with unknown prop 'selectedItems'
(anonymous) @ FastList.svelte:325
instance @ FastList.svelte:325
FastList @ FastList.svelte:298
create_fragment @ TableMessageList.svelte:8
TableMessageList @ TableMessageList.svelte:39
create_top_slot @ 3Pane.svelte:7
create_fragment @ SplitterHorizontal.svelte:27
SplitterHorizontal @ SplitterHorizontal.svelte:3
create_right_slot @ 3Pane.svelte:16
create_fragment @ Splitter.svelte:27
Splitter @ Splitter.svelte:3
create_fragment @ 3Pane.svelte:5
_3Pane @ 3Pane.svelte:43
create_else_block @ MailApp.svelte:8
create_fragment @ MailApp.svelte:5
MailApp

Expected Behaviour

No error.

[benbucksch]

That is inconsequential, just a warning.
We're not passing the multi-selection property in some screens, because we don't need it. We should make it optional.

[benbucksch]

Actually, we are passing it. I don't know why this error happens. Need reproduction.
FWIW, this happens in the Table View mail window layout.

[NeilRashbrook]

You don't see this in production because the warning is only generated in development.

FastList declares selectedItems as const but MailApp wants to (indirectly) bind selectedMessages from Selected. I assume it just needs to be declared with let instead?