Update @wordpress packages

Update packages to include these bug fixes from Gutenberg:

- FSE: Add welcome guide
- Update theme styles for the code block
- Add feature flag to toggle the new site editor sidebar
- Add templates list page for site editor
- Cover Block: Fix default background dim
- E2E: Add more Cover block tests
- Cover Block: Fix regressions
- Post Comments Form: ensure typography styles are applied to child elements
- Navigation: Fix space-between
- Fix background colours in nested submenus.
- Fix duplicate custom classnames in navigation submenu block
- Fix colour rendering in Navigation overlay
- Fix: Add ability to opt out of Core color palette V2
- Change @package to WordPress in block-library
- Make the core color palette opt-in for themes with not theme.json
- Remove textdomain from calendar block
- Page List block: fix space before href attribute
- Try: Let Featured Image block inherit dimensions, look like a placeholder
- [Global Styles]: Add block icon next to blocks list
- Page List: Use core entities instead of direct apiFetch
- Site Editor: Stabilize export endpoint
- Fix mobile horizontal scrollbar.
- Multi-entity save: Only set site entity to pending if really saving
- Add page list to navigation direct insert conditions
- Implement "Add New" for templates list in Site Editor
- Post Featured Image: Remove withNotices HOC
- Fix page list missing button styles when set to open on click.
- Make appender fixed position to avoid jumps in the UI
- Color UI component: reorder palettes and update names (core by defaults, user by custom)
- Remove the Styles link in Site Editor
- GlobalStyles sidebar: do not show default palette if theme opts-out
- Only render the site editor canvas when the global styles are ready.
- Global Styles: rename core origin key to default for presets
- Clarify i18n context for PostTemplateActions's "New" label
- Revert erroneous native editor package version bumps
- Try: Hide the columns inserter in pattern previews.
- Fix site editor region navigation
- Update navigation sidebar responsiveness
- Add _wp_array_set and _wp_to_kebab_case to 5.8 compat
- Make user able to change all color palette origins
- Site Editor: Update hrefs to not specifically refer to themes.php?page=gutenberg-edit-site
- Site Editor: Validate the postType query argument
- Navigation: Scale submenu icon.
- Move the theme editor under tools for FSE themes
- Deprecate navigation areas

See #54487.

Built from https://develop.svn.wordpress.org/trunk@52232


git-svn-id: http://core.svn.wordpress.org/trunk@51824 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-wp-theme-json-resolver.php

@@ -136,7 +136,7 @@ class WP_Theme_JSON_Resolver {
 
 		$config     = self::read_json_file( __DIR__ . '/theme.json' );
 		$config     = self::translate( $config );
-		self::$core = new WP_Theme_JSON( $config, 'core' );
+		self::$core = new WP_Theme_JSON( $config, 'default' );
 
 		return self::$core;
 	}
@@ -182,7 +182,32 @@ class WP_Theme_JSON_Resolver {
 		* So we take theme supports, transform it to theme.json shape
 		* and merge the self::$theme upon that.
 		*/
-		$theme_support_data  = WP_Theme_JSON::get_from_editor_settings( get_default_block_editor_settings() );
+		$theme_support_data = WP_Theme_JSON::get_from_editor_settings( get_default_block_editor_settings() );
+		if ( ! self::theme_has_support() ) {
+			if ( ! isset( $theme_support_data['settings']['color'] ) ) {
+				$theme_support_data['settings']['color'] = array();
+			}
+
+			$default_palette = false;
+			if ( current_theme_supports( 'default-color-palette' ) ) {
+				$default_palette = true;
+			}
+			if ( ! isset( $theme_support_data['settings']['color']['palette'] ) ) {
+				// If the theme does not have any palette, we still want to show the core one.
+				$default_palette = true;
+			}
+			$theme_support_data['settings']['color']['defaultPalette'] = $default_palette;
+
+			$default_gradients = false;
+			if ( current_theme_supports( 'default-gradient-presets' ) ) {
+				$default_gradients = true;
+			}
+			if ( ! isset( $theme_support_data['settings']['color']['gradients'] ) ) {
+				// If the theme does not have any gradients, we still want to show the core ones.
+				$default_gradients = true;
+			}
+			$theme_support_data['settings']['color']['defaultGradients'] = $default_gradients;
+		}
 		$with_theme_supports = new WP_Theme_JSON( $theme_support_data );
 		$with_theme_supports->merge( self::$theme );
 
@@ -293,7 +318,7 @@ class WP_Theme_JSON_Resolver {
 
 	/**
 	 * There are three sources of data (origins) for a site:
-	 * core, theme, and user. The user's has higher priority
+	 * default, theme, and user. The user's has higher priority
 	 * than the theme's, and the theme's higher than core's.
 	 *
 	 * Unlike the getters {@link get_core_data},