fix: infinity scroll, init data in base64

spa/src/utils/ftch.js

@@ -2,15 +2,20 @@ import {ofetch} from "ofetch";
 
 const BASE_URL = '/';
 
+function encodeBase64Unicode(str) {
+    return btoa(new TextEncoder().encode(str).reduce((data, byte) => data + String.fromCharCode(byte), ''));
+}
+
 export const apiFetch = ofetch.create({
     throwHttpErrors: true,
     onRequest({request, options}) {
         const data = window.Telegram?.WebApp?.initData;
 
         if (data) {
+            const encoded = encodeBase64Unicode(data);
             options.headers = {
                 ...options.headers,
-                'X-Telegram-InitData': data,
+                'X-Telegram-InitData': encoded,
             }
         }
     },