fix(frontend): Make sure AppSelect items are an array (#1144)

* fix(frontend): Make sure AppSelect items are an array

* fix(frontend): restore placeholder

frontend/src/lib/components/ResourcePicker.svelte

@@ -8,7 +8,6 @@
 	import Select from 'svelte-select'
 	import AppConnect from './AppConnect.svelte'
 	import ResourceEditor from './ResourceEditor.svelte'
-	import { truncate } from '$lib/utils'
 
 	const dispatch = createEventDispatcher()
 	let resources: Resource[] = []

frontend/src/lib/components/apps/components/selectInputs/AppSelect.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-	import { createEventDispatcher, getContext } from 'svelte'
+	import { getContext } from 'svelte'
 	import Select from 'svelte-select'
 	import type { AppInput } from '../../inputType'
 	import type { Output } from '../../rx'
@@ -46,7 +46,7 @@
 			e?.stopPropagation()
 			window.dispatchEvent(new Event('pointerup'))
 		}}
-		{items}
+		items={Array.isArray(items) ? items : []}
 		{value}
 		placeholder="Select an item"
 		on:click={() => {