Global Styles on Personal: Update Site Editor Modal and Notice (#40095)

* Added plan name and checkout page based on GS on Personal feature flag to the site editor modal

* changelog

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/11741039900

Upstream-Ref: Automattic/jetpack@39dc704

vendor/automattic/jetpack-mu-wpcom/CHANGELOG.md

@@ -13,6 +13,7 @@ This is an alpha version! The changes listed here are not final.
 - Added a feature check to the Marketing Bar that updates the text and upgrade link for Global Styles
 - Enable test coverage.
 - Help Center: add new rest route for support interactions
+- The notice and modal shown on the editor now displays the plan name and upgrade URL based on the GS gated plan type'
 
 ### Changed
 - Added feature check for the Global Styles on Personal plan changes.

vendor/automattic/jetpack-mu-wpcom/src/features/wpcom-global-styles/index.php

@@ -174,13 +174,22 @@ function wpcom_global_styles_enqueue_block_editor_assets() {
 	if ( class_exists( 'WPCom_Languages' ) ) {
 		$learn_more_about_styles_post_id = WPCom_Languages::localize_url( $learn_more_about_styles_post_id );
 	}
+
+	// @TODO Remove this once the global styles are available for all users on the Personal Plan.
+	$upgrade_url = "$calypso_domain/plans/$site_slug?plan=value_bundle&feature=style-customization";
+	$plan_name   = Plans::get_plan( 'value_bundle' )->product_name_short;
+	if ( class_exists( 'WPCOM_Feature_Flags' ) && WPCOM_Feature_Flags::is_enabled( WPCOM_Feature_Flags::GLOBAL_STYLES_ON_PERSONAL_PLAN ) ) {
+		$plan_name   = Plans::get_plan( 'personal-bundle' )->product_name_short;
+		$upgrade_url = "$calypso_domain/plans/$site_slug?plan=personal-bundle&feature=style-customization";
+	}
+
 	wp_localize_script(
 		'wpcom-global-styles-editor',
 		'wpcomGlobalStyles',
 		array(
-			'upgradeUrl'                 => "$calypso_domain/plans/$site_slug?plan=value_bundle&feature=style-customization",
+			'upgradeUrl'                 => $upgrade_url,
 			'wpcomBlogId'                => wpcom_global_styles_get_wpcom_current_blog_id(),
-			'planName'                   => Plans::get_plan( 'value_bundle' )->product_name_short,
+			'planName'                   => $plan_name,
 			'modalImage'                 => plugins_url( 'image.svg', __FILE__ ),
 			'learnMoreAboutStylesUrl'    => $learn_more_about_styles_support_url,
 			'learnMoreAboutStylesPostId' => $learn_more_about_styles_post_id,