[php-nextgen] Discriminator class detection uses wrong namespace

Author: lukascernydis

modules/openapi-generator/src/main/resources/php-nextgen/ObjectSerializer.mustache

@@ -497,7 +497,7 @@ class ObjectSerializer
             // If a discriminator is defined and points to a valid subclass, use it.
             $discriminator = $class::DISCRIMINATOR;
             if (!empty($discriminator) && isset($data->{$discriminator}) && is_string($data->{$discriminator})) {
-                $subclass = '\{{invokerPackage}}\Model\\' . $data->{$discriminator};
+                $subclass = '\{{modelPackage}}\\' . $data->{$discriminator};
                 if (is_subclass_of($subclass, $class)) {
                     $class = $subclass;
                 }

samples/client/others/typescript-fetch/infinite-recursion-issue/apis/TestApi.ts

@@ -28,21 +28,29 @@ import {
 export class TestApi extends runtime.BaseAPI {
 
     /**
+     * Creates request options for test without sending the request
      */
-    async testRaw(initOverrides?: RequestInit | runtime.InitOverrideFunction): Promise<runtime.ApiResponse<Array<TestBaseDto>>> {
+    async testRequestOpts(initOverrides?: RequestInit | runtime.InitOverrideFunction): Promise<runtime.RequestOpts> {
         const queryParameters: any = {};
 
         const headerParameters: runtime.HTTPHeaders = {};
 
 
         let urlPath = `/api/v1/test`;
 
-        const response = await this.request({
+        return {
             path: urlPath,
             method: 'GET',
             headers: headerParameters,
             query: queryParameters,
-        }, initOverrides);
+        };
+    }
+
+    /**
+     */
+    async testRaw(initOverrides?: RequestInit | runtime.InitOverrideFunction): Promise<runtime.ApiResponse<Array<TestBaseDto>>> {
+        const requestConfig = await this.testRequestConfig(initOverrides);
+        const response = await this.request(requestConfig, initOverrides);
 
         return new runtime.JSONApiResponse(response, (jsonValue) => jsonValue.map(TestBaseDtoFromJSON));
     }