nit schema form resource type change

frontend/src/lib/components/ObjectTypeNarrowing.svelte

@@ -1,4 +1,5 @@
 <script lang="ts">
+	import { createEventDispatcher } from 'svelte'
 	import ResourceTypePicker from './ResourceTypePicker.svelte'
 
 	export let format: string | undefined
@@ -6,12 +7,14 @@
 	let resource: string | undefined = format?.startsWith('resource-')
 		? format.substring('resource-'.length)
 		: undefined
+	const dispatch = createEventDispatcher()
 </script>
 
 <ResourceTypePicker
 	on:click={(e) => {
 		resource = e.detail
 		format = resource != undefined ? `resource-${resource}` : undefined
+		dispatch('change', format)
 	}}
 	value={resource}
 	nonePickable={true}

frontend/src/lib/components/schema/FlowPropertyEditor.svelte

@@ -317,7 +317,7 @@
 					</TabContent>
 
 					<TabContent value="resource">
-						<ObjectTypeNarrowing bind:format />
+						<ObjectTypeNarrowing on:change={() => dispatch('schemaChange')} bind:format />
 					</TabContent>
 				</div>
 			</svelte:fragment>