Fix:

* Breadcrumbs too wide in deeply nested directories
* Sharedialog copies link and calls navigator.share at the same time
* Link copy feedback is not clear
* Show embed code when public read
* Hide hidden files from audio playlist

svelte/src/filesystem/Toolbar.svelte

@@ -40,7 +40,6 @@ export const copy_link = () => {
 	<FileStats nav={nav} bind:expanded={toolbar_expanded}/>
 
 	<div class="grid" class:hide={!toolbar_expanded}>
-
 		<div class="button_row">
 			<button onclick={() => {nav.open_sibling(-1)}}>
 				<i class="icon">skip_previous</i>
@@ -73,7 +72,11 @@ export const copy_link = () => {
 		{#if path_is_shared($nav.path)}
 			<button onclick={copy_link} class:button_highlight={link_copied}>
 				<i class="icon">content_copy</i>
-				<span><u>C</u>opy link</span>
+				{#if link_copied}
+					<span>Link copied!</span>
+				{:else}
+					<span><u>C</u>opy link</span>
+				{/if}
 			</button>
 		{/if}