Fix SOAP API problems after upgrading 7.14 and php 8.2

Issue report:
https://community.suitecrm.com/t/soap-api-problems-after-upgrading-7-14-php-8-2/90179

Author: chris001

include/nusoap/nusoap.php

@@ -5427,7 +5427,8 @@ public function invoke_method()
                 $call_arg = (string)$this->methodname;	// straight assignment changes $this->methodname to lower case after call_user_func_array()
             } elseif ($delim == '..') {
                 $this->debug('in invoke_method, calling class method using call_user_func_array()');
-                $call_arg = array($class, $method);
+		$instance = new $class();	// Fix https://community.suitecrm.com/t/soap-api-problems-after-upgrading-7-14-php-8-2/90179
+                $call_arg = array(&$instance, $method);
             } else {
                 $this->debug('in invoke_method, calling instance method using call_user_func_array()');
                 $instance = new $class();
@@ -10199,4 +10200,4 @@ class soapclient extends nusoap_client
 class nusoapclient extends nusoap_client
 {
 }
-?>
+?>