Replace event dispatcher with a callback in filemanager

svelte/src/filesystem/Breadcrumbs.svelte

@@ -1,6 +1,6 @@
 <script lang="ts">
 import { preventDefault } from 'svelte/legacy';
-import { fs_encode_path, node_is_shared } from "lib/FilesystemAPI";
+import { fs_encode_path } from "lib/FilesystemAPI.svelte";
 import type { FSNavigator } from "./FSNavigator";
 
 let { nav }: {
@@ -17,7 +17,7 @@ let { nav }: {
 		>
 			{#if node.abuse_type !== undefined}
 				<i class="icon small">block</i>
-			{:else if node_is_shared(node)}
+			{:else if node.is_shared()}
 				<i class="icon small">share</i>
 			{/if}
 			<div class="node_name" class:base={$nav.base_index === i}>