fix: refine hijack option handling in attach method

Author: apocas

lib/container.js

@@ -743,7 +743,7 @@ Container.prototype.attach = function(opts, callback) {
     method: 'POST',
     abortSignal: args.opts.abortSignal,
     isStream: true,
-    hijack: args.opts.hijack || args.opts.stdin,
+    hijack: args.opts.hijack,
     openStdin: args.opts.stdin,
     statusCodes: {
       200: true,