Migrate more stuff

src/app/components/ProfileFeed.svelte

@@ -10,10 +10,14 @@
   import Spinner from "@lib/components/Spinner.svelte"
   import NoteItem from "@app/components/NoteItem.svelte"
 
-  export let url
-  export let pubkey
-  export let events: TrustedEvent[] = []
-  export let hideLoading = false
+  interface Props {
+    url: any
+    pubkey: any
+    events?: TrustedEvent[]
+    hideLoading?: boolean
+  }
+
+  let {url, pubkey, events = $bindable([]), hideLoading = false}: Props = $props()
 
   const ctrl = createFeedController({
     useWindowing: true,
@@ -28,12 +32,12 @@
     },
   })
 
-  let element: Element
+  let element: Element | undefined = $state()
   let buffer: TrustedEvent[] = []
 
   onMount(() => {
     const scroller = createScroller({
-      element,
+      element: element!,
       delay: 300,
       threshold: 3000,
       onScroll: () => {