Fix critical file upload chrome bug

.gitignore

@@ -1,5 +1,5 @@
-dist
 node_modules
+.rollup.cache
 *.c
 *~
 *.jpg

chrome/dist/test.js

@@ -0,0 +1 @@
+fetch("https://de.catbox.moe/jpovmr.png");

chrome/manifest.json

@@ -2,7 +2,7 @@
   "manifest_version": 3,
   "name": "PngExtraEmbedder",
   "description": "Discover embedded files on 4chan and archives!",
-  "version": "0.235",
+  "version": "0.239",
   "icons": {
     "64": "1449696017588.png"
   },

src/platform.ts

@@ -168,8 +168,6 @@ export const corsFetch = async (input: string, init?: RequestInit, lsn?: EventTa
                 gcontroller = controller;
                 // at this point the background script already read all that it needed
                 // so we free up memory allocated for the request
-                if (execution_mode == "chrome_api" && init?.body)
-                    cleanupSerialized(init.body);
                 // flush buffer
                 buffer.forEach(b => gcontroller?.enqueue(b));
                 buffer = [];
@@ -184,7 +182,13 @@ export const corsFetch = async (input: string, init?: RequestInit, lsn?: EventTa
         s = 0;
         const cmdbuff: any[] = [];
 
+        let cleaned = false;
         lqueue[id] = (async (e: any) => {
+            if (!cleaned && execution_mode == "chrome_api" && init?.body) {
+                cleanupSerialized(init.body);
+                cleaned = true;
+            }
+
             // this is computed from the background script because the content script may
             // request everything to be delivered in one chunk, defeating the purpose
             if (e.progress) {