FileUpload: fix zipline on desktop (#1076)

was ignoring the proxy on desktop but apparently
zipline doesnt like that very much, the cors is
configured weirdly so its broken even on native

src/equicordplugins/fileUpload/utils/upload.ts

@@ -28,7 +28,7 @@ const logger = new Logger("FileUpload", "#7cb7ff");
 function toProxyUrl(url: string): string {
     const corsProxyUrl = normalizeCorsProxyUrl((settings.store as { corsProxyUrl?: string; }).corsProxyUrl);
 
-    if (Native || url.startsWith(`${corsProxyUrl}?url=`)) {
+    if (url.startsWith(`${corsProxyUrl}?url=`)) {
         return url;
     }