fix(desktop): non-latin file paths failed

packages/util/src/encode.ts

@@ -1,9 +1,13 @@
 export function base64Encode(value: string) {
-  return btoa(value).replace(/\+/g, "-").replace(/\//g, "_").replace(/=/g, "")
+  const bytes = new TextEncoder().encode(value)
+  const binary = Array.from(bytes, (b) => String.fromCharCode(b)).join("")
+  return btoa(binary).replace(/\+/g, "-").replace(/\//g, "_").replace(/=/g, "")
 }
 
 export function base64Decode(value: string) {
-  return atob(value.replace(/-/g, "+").replace(/_/g, "/"))
+  const binary = atob(value.replace(/-/g, "+").replace(/_/g, "/"))
+  const bytes = Uint8Array.from(binary, (c) => c.charCodeAt(0))
+  return new TextDecoder().decode(bytes)
 }
 
 export async function hash(content: string, algorithm = "SHA-256"): Promise<string> {