Migrate more stuff

src/app/components/RoomCreate.svelte

@@ -1,4 +1,6 @@
 <script lang="ts">
+  import {preventDefault} from "svelte/legacy"
+
   import {goto} from "$app/navigation"
   import {randomId} from "@welshman/lib"
   import {displayRelayUrl} from "@welshman/util"
@@ -14,7 +16,7 @@
   import {makeSpacePath} from "@app/routes"
   import {pushToast} from "@app/toast"
 
-  export let url
+  let {url} = $props()
 
   const room = randomId()
   const relay = deriveRelay(url)
@@ -56,23 +58,31 @@
     }
   }
 
-  let name = ""
-  let loading = false
+  let name = $state("")
+  let loading = $state(false)
 </script>
 
-<form class="column gap-4" on:submit|preventDefault={create}>
+<form class="column gap-4" onsubmit={preventDefault(create)}>
   <ModalHeader>
-    <div slot="title">Create a Room</div>
-    <div slot="info">
-      On <span class="text-primary">{displayRelayUrl(url)}</span>
-    </div>
+    {#snippet title()}
+      <div>Create a Room</div>
+    {/snippet}
+    {#snippet info()}
+      <div>
+        On <span class="text-primary">{displayRelayUrl(url)}</span>
+      </div>
+    {/snippet}
   </ModalHeader>
   <Field>
-    <p slot="label">Room Name</p>
-    <label class="input input-bordered flex w-full items-center gap-2" slot="input">
-      <Icon icon="hashtag" />
-      <input bind:value={name} class="grow" type="text" />
-    </label>
+    {#snippet label()}
+      <p>Room Name</p>
+    {/snippet}
+    {#snippet input()}
+      <label class="input input-bordered flex w-full items-center gap-2">
+        <Icon icon="hashtag" />
+        <input bind:value={name} class="grow" type="text" />
+      </label>
+    {/snippet}
   </Field>
   <ModalFooter>
     <Button class="btn btn-link" on:click={back}>