🌌 Migrate app to svelte-5

app/src/routes/system/update/UploadFirmware.svelte

@@ -6,7 +6,7 @@
     import { api } from '$lib/api';
     import { Cancel, OTA, Warning } from '$lib/components/icons';
 
-    let files: FileList;
+    let files: FileList = $state();
 
     async function uploadBIN() {
         const formData = new FormData();
@@ -32,8 +32,12 @@
 </script>
 
 <SettingsCard collapsible={false}>
-    <OTA slot="icon" class="lex-shrink-0 mr-2 h-6 w-6 self-end rounded-full" />
-    <span slot="title">Upload Firmware</span>
+    {#snippet icon()}
+        <OTA  class="lex-shrink-0 mr-2 h-6 w-6 self-end rounded-full" />
+    {/snippet}
+    {#snippet title()}
+        <span >Upload Firmware</span>
+    {/snippet}
     <div class="alert alert-warning shadow-lg">
         <Warning class="h-6 w-6 flex-shrink-0" />
         <span
@@ -48,6 +52,6 @@
         class="file-input file-input-bordered file-input-secondary mt-4 w-full"
         bind:files
         accept=".bin,.md5"
-        on:change={confirmBinUpload}
+        onchange={confirmBinUpload}
     />
 </SettingsCard>