Fix: thumbnail creation

src/api/structures/Server.js

@@ -92,6 +92,7 @@ class Server {
 	start() {
 		jetpack.dir('uploads/chunks');
 		jetpack.dir('uploads/thumbs/square');
+		jetpack.dir('uploads/thumbs/preview');
 		this.registerAllTheRoutes();
 		this.serveNuxt();
 		const server = this.server.listen(this.port, () => {

src/api/utils/ThumbUtil.js

@@ -83,7 +83,7 @@ class ThumbUtil {
 		if (isImage) return { thumb: `${filename.slice(0, -ext.length)}.webp` };
 		if (isVideo) {
 			return {
-				thumb: `${filename.slice(0, -ext.length)}.png`,
+				thumb: `${filename.slice(0, -ext.length)}.webp`,
 				preview: `${filename.slice(0, -ext.length)}.webm`
 			};
 		}