Limit size of siblings list and some bug fixes

svelte/src/filesystem/Filesystem.svelte

@@ -56,8 +56,10 @@ const keydown = (e: KeyboardEvent) => {
 		return // prevent custom shortcuts from interfering with system shortcuts
 	} else if (
 		(document.activeElement as any).type !== undefined &&
-		(document.activeElement as any).type === "text" &&
-		(document.activeElement as any).type === "textarea"
+		(
+			(document.activeElement as any).type === "text" ||
+			(document.activeElement as any).type === "textarea"
+		)
 	) {
 		return // Prevent shortcuts from interfering with input fields
 	}

svelte/src/filesystem/viewers/File.svelte

@@ -34,7 +34,7 @@ let {
 	</button>
 </IconBlock>
 
-{#if node.name === ".search_index.gz"}
+{#if node.name === ".search_index.zstd"}
 	<TextBlock>
 		<p>
 			Congratulations! You have found the search index. One of the
@@ -50,7 +50,7 @@ let {
 			have a lot of repetitive elements it compresses incredibly well.
 			You'd be hard-pressed to grow this index over even 1 MB. Honestly,
 			this search system is incredibly efficient, I'd be surprised if
-			EleasticSearch could even match it.
+			ElasticSearch could even match it.
 		</p>
 		<p>
 			This file is updated 10 minutes after the last time you modify a