Svelte 5 fixes

packages/editor/src/lib/components/parameters/NodeEdit.svelte

@@ -12,7 +12,12 @@
     showErrors: boolean
   }
 
-  let { embeddedParameter, errors, parameter, showErrors }: Props = $props()
+  let {
+    embeddedParameter,
+    errors,
+    parameter = $bindable(),
+    showErrors,
+  }: Props = $props()
 
   interface InstantReferences {
     instant: string

packages/editor/src/routes/[[languageCode=language_code]]/[[parameter]]/edit/+page.svelte

@@ -71,10 +71,10 @@
     | undefined = $state(undefined)
   let message = $state("")
   let originalParameter = { ...fileParameter! }
-  let parameter = $state(fileParameter!)
-  if (parameter.description === undefined) {
-    parameter.description = parameter.title
-  }
+  let parameter = $state({
+    ...fileParameter!,
+    description: fileParameter!.description ?? fileParameter!.title,
+  })
   let parameterErrors: { [key: string]: unknown } = $state({})
   let reviewed = $state(false)
   let saving = $state(false)
@@ -311,7 +311,7 @@
         <Label for="documentation">Documentation</Label>
         <Textarea
           name="documentation"
-          rows="5"
+          rows={5}
           bind:value={parameter.documentation}
         />
         {#if showErrors && parameterErrors.documentation !== undefined}
@@ -446,7 +446,7 @@
         <Textarea
           name="message"
           required={showErrors && username === undefined}
-          rows="5"
+          rows={5}
           bind:value={message}
         />
         {#if showErrors && errors.message !== undefined}