[5.4] Container: Extend() can not fire the rebinding callback

[LeoYang90]

this is a test for instance():

    public function testExtendReBindingInstance()
    {
        $_SERVER['_test_rebind'] = false;

        $container = new Container;
        $container->rebinding('foo',function (){
            $_SERVER['_test_rebind'] = true;
        });

        $obj = new StdClass;
        $container->instance('foo',$obj);

        $container->make('foo');

        $container->extend('foo', function ($obj, $container) {
            return $obj;
        });

        this->assertTrue($_SERVER['_test_rebind']);
    }

if we use instance() function to bind abstract, the rebinding() will be fired by extend().
However,
This is a test for bind():

    public function testExtendReBinding()
    {
        $_SERVER['_test_rebind'] = false;

        $container = new Container;
        $container->rebinding('foo',function (){
            $_SERVER['_test_rebind'] = true;
        });
        $container->bind('foo',function (){
            $obj = new StdClass;

            return $obj;
        });

        $container->make('foo');

        $container->extend('foo', function ($obj, $container) {
            return $obj;
        });

        this->assertFalse($_SERVER['_test_rebind']);
    }

If we use bind() function to bind abstract, the rebinding() will not be fired by extend() after make() function.
Container behaves differently from instance() and bind() about rebinding callback after using extend().
More detail in #19241