fix: use nextjsfetch function templates

Author: Matthewk01

src/templates/core/nextjs_fetch/request.hbs

@@ -40,16 +40,16 @@ import type { OpenAPIConfig } from './OpenAPI';
 {{>fetch/getHeaders}}
 
 
-{{>fetch/getRequestBody}}
+{{>nextjs_fetch/getRequestBody}}
 
 
-{{>fetch/sendRequest}}
+{{>nextjs_fetch/sendRequest}}
 
 
-{{>fetch/getResponseHeader}}
+{{>nextjs_fetch/getResponseHeader}}
 
 
-{{>fetch/getResponseBody}}
+{{>nextjs_fetch/getResponseBody}}
 
 
 {{>functions/catchErrorCodes}}