adding missing param for generate site pages

Author: abhijitb

src/OnboardingSPA/steps/SiteGen/Editor/index.js

@@ -37,7 +37,8 @@ const StepSiteGenEditor = () => {
 	const handleSitemapPagesGeneration = async () => {
 		if ( false === currentData?.sitegen?.sitemapPagesGenerated ) {
 			const sitemapPagesPublished = await publishSitemapPages(
-				currentData.sitegen.siteDetails.prompt
+				currentData.sitegen.siteDetails.prompt,
+				currentData.sitegen.siteDetails.locale
 			);
 			if ( ! sitemapPagesPublished.error ) {
 				currentData.sitegen.sitemapPagesGenerated = true;

src/OnboardingSPA/utils/api/siteGen.js

@@ -82,13 +82,14 @@ export async function getCustomizeSidebarData() {
 	);
 }
 
-export async function publishSitemapPages( siteDescription ) {
+export async function publishSitemapPages( siteDescription, locale ) {
 	return await resolve(
 		apiFetch( {
 			url: onboardingRestURL( 'sitegen/pages/sitemap' ),
 			method: 'POST',
 			data: {
 				site_description: siteDescription,
+				locale: locale
 			},
 		} ).then()
 	);