Migrate to active templates

lib/compat/wordpress-6.8/template-activate.php

@@ -128,3 +128,38 @@ function gutenberg_set_active_template_theme( $changes, $request ) {
 	);
 	return $changes;
 }
+
+// Migrate existing "edited" templates. By existing, it means that the template
+// is active.
+add_action( 'init', 'gutenberg_migrate_existing_templates' );
+function gutenberg_migrate_existing_templates() {
+	$active_templates = get_option( 'active_templates' );
+
+	if ( $active_templates ) {
+		return;
+	}
+
+	// Query all templates in the database. See `get_block_templates`.
+	$template_query = array(
+		'post_status'         => array( 'publish' ),
+		'post_type'           => 'wp_template',
+		'posts_per_page'      => -1,
+		'no_found_rows'       => true,
+		'lazy_load_term_meta' => false,
+		'tax_query'           => array(
+			array(
+				'taxonomy' => 'wp_theme',
+				'field'    => 'name',
+				'terms'    => get_stylesheet(),
+			),
+		),
+	);
+
+	$active_templates = array();
+
+	foreach ( $templates as $template ) {
+		$active_templates[ $template->post_name ] = $template->ID;
+	}
+
+	update_option( 'active_templates', $active_templates );
+}

packages/edit-site/src/components/page-templates/index.js

@@ -110,8 +110,6 @@ export default function PageTemplates() {
 	}, [ layout, activeView ] );
 	const [ view, setView ] = useState( defaultView );
 
-	console.log( view );
-
 	// Sync the layout from the URL to the view state.
 	useEffect( () => {
 		setView( ( currentView ) => ( {