ui: add confirm dialog (#226)

packages/utils/lib/utils.ts

@@ -224,7 +224,7 @@ export function bufferToStream(buffer: Buffer): NodeJS.ReadableStream {
 
 export function sleep(timeout: number) {
     return new Promise((resolve) => {
-        setTimeout(resolve, timeout);
+        setTimeout(() => resolve(true), timeout);
     });
 }