Update @wordpress packages

Update packages to include these bug fixes from Gutenberg:

- Site Logo: Add option to set site icon from Site Logo block
- Navigation: Enable even more compact setup state.
- Remove template parts from post content inserter an __unstable filter
- Template Editor Mode: Hide editor mode switcher
- Avoid using CSS variables for block gap styles
- Try to fix auto resizing in template part focus mode
- Lower the specificity of font size CSS Custom Properties in the editor
- Site icon: Fix site icon styling to display non-square site icons within a square button
- [Site Editor]: Register block editor shortcuts
- Update regex to handle 404 template slug
- Site Editor: Remove dead code
- [Block Editor]: Restrict delete multi selected blocks shortcut
- Fix: Gradients are not being applied by class
- Update: Make the global styles subtitles font smaller
- Post Content/Title: Reflect changes when previewing post
- ServerSideRender: Fix loading state
- [Block Library]: Fix editable post blocks in Query Loop with zero queryId
- Post Excerpt: Fix previews
- WP59: Contextualize "Export" string to differentiate it from other occurrences in WP Core
- Tools Panel: Fix race conditions caused by conditionally displayed ToolsPanelItems
- ToolsPanel: Allow items to register when panelId is null
- Font Size Picker: Allow non-integers as simple CSS values and in hints
- [Components - FontSizePicker]: Use incremental sequence of numbers as labels for the available font-sizes at the segmented control (conditionally)

See #54487.


git-svn-id: https://develop.svn.wordpress.org/trunk@52434 602fd350-edb4-49c9-b593-d223f7449a82

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

@@ -317,7 +317,7 @@ class WP_Theme_JSON {
 		'spacing'    => array(
 			'margin'   => null,
 			'padding'  => null,
-			'blockGap' => null,
+			'blockGap' => 'top',
 		),
 		'typography' => array(
 			'fontFamily'     => null,
@@ -472,17 +472,28 @@ class WP_Theme_JSON {
 
 		$output = array_intersect_key( $input, array_flip( self::VALID_TOP_LEVEL_KEYS ) );
 
+		// Some styles are only meant to be available at the top-level (e.g.: blockGap),
+		// hence, the schema for blocks & elements should not have them.
+		$styles_non_top_level = self::VALID_STYLES;
+		foreach ( array_keys( $styles_non_top_level ) as $section ) {
+			foreach ( array_keys( $styles_non_top_level[ $section ] ) as $prop ) {
+				if ( 'top' === $styles_non_top_level[ $section ][ $prop ] ) {
+					unset( $styles_non_top_level[ $section ][ $prop ] );
+				}
+			}
+		}
+
 		// Build the schema based on valid block & element names.
 		$schema                 = array();
 		$schema_styles_elements = array();
 		foreach ( $valid_element_names as $element ) {
-			$schema_styles_elements[ $element ] = self::VALID_STYLES;
+			$schema_styles_elements[ $element ] = $styles_non_top_level;
 		}
 		$schema_styles_blocks   = array();
 		$schema_settings_blocks = array();
 		foreach ( $valid_block_names as $block ) {
 			$schema_settings_blocks[ $block ]           = self::VALID_SETTINGS;
-			$schema_styles_blocks[ $block ]             = self::VALID_STYLES;
+			$schema_styles_blocks[ $block ]             = $styles_non_top_level;
 			$schema_styles_blocks[ $block ]['elements'] = $schema_styles_elements;
 		}
 		$schema['styles']             = self::VALID_STYLES;