check with ->all()

Signed-off-by: Valentin Sickert <[email protected]>

app/Http/Middleware/JsonOnlyMiddleware.php

@@ -15,12 +15,7 @@ class JsonOnlyMiddleware
      */
     public function handle(Request $request, Closure $next): Response
     {
-        // Empty body requests are allowed
-        if ($request->getContent() === '') {
-            return $next($request);
-        }
-
-        if (!$request->isJson()) {
+        if (!empty($request->all()) && !$request->isJson()) {
             return response()->json([
                 'message' => 'Only JSON requests are accepted'
             ], Response::HTTP_BAD_REQUEST);