Fix copy-curl with API key

https://feedback.yaak.app/p/copy-as-curl-bug-when-auth-use-api-key-with

plugins/action-copy-curl/src/index.ts

@@ -46,7 +46,7 @@ export async function convertToCurl(request: Partial<HttpRequest>) {
   // Add API key authentication
   if (request.authenticationType === 'apikey') {
     if (request.authentication?.location === 'query') {
-      const sep = request.url?.includes('?') ? '&' : '?';
+      const sep = finalUrl.includes('?') ? '&' : '?';
       finalUrl = [
         finalUrl,
         sep,