Block Editor: Update packages and backport the latest Gutenberg fixes.

This includes the following fixes:

- Generate babel polyfill dynamically https://github.com/WordPress/gutenberg/pull/31279
- Improve the List View component https://github.com/WordPress/gutenberg/pull/31290 https://github.com/WordPress/gutenberg/pull/32063
- Template mode:
    - Fix embed dimensions https://github.com/WordPress/gutenberg/pull/32057
    - Update the welcome guide https://github.com/WordPress/gutenberg/pull/32055 https://github.com/WordPress/gutenberg/pull/32026
    - Don’t display the notice at the same time as the welcome guide https://github.com/WordPress/gutenberg/pull/32076
    - Remove MetaBoxes https://github.com/WordPress/gutenberg/pull/32315
    - Update the title area https://github.com/WordPress/gutenberg/pull/32037 
- Widgets Screen:
    - Fix unsaved changes https://github.com/WordPress/gutenberg/pull/31757
    - Fix toolbar alignment https://github.com/WordPress/gutenberg/pull/31991
    - Fix block toolbar position after scroll https://github.com/WordPress/gutenberg/pull/32212
    - Fix the visible widget area header https://github.com/WordPress/gutenberg/pull/32262
    - Fix legacy widgets preview https://github.com/WordPress/gutenberg/pull/32260
    - 
- Block Widgets in the customizer: 
    - Fix customizer title overlapping block toolbar https://github.com/WordPress/gutenberg/pull/32140
    - Fix styling issues https://github.com/WordPress/gutenberg/pull/32072
    - Fix escape key events https://github.com/WordPress/gutenberg/pull/32175
    - Add preferences menu group label https://github.com/WordPress/gutenberg/pull/32259
    - Fix creating and replacing legacy widgets https://github.com/WordPress/gutenberg/pull/32005
    - Fix the welcome guide’s image https://github.com/WordPress/gutenberg/pull/32264 https://github.com/WordPress/gutenberg/pull/32302 
- Fix Cover to Image transform duotone error https://github.com/WordPress/gutenberg/pull/32006
- Remove filter_var usage from blocks https://github.com/WordPress/gutenberg/pull/32046 
- Fix image width for aligned Post Featured Image block https://github.com/WordPress/gutenberg/pull/32070
- Prevent excessive Image block re-rendering https://github.com/WordPress/gutenberg/pull/32102
- Remove gutenberg domain from core blocks https://github.com/WordPress/gutenberg/pull/32152
- Use the block editor context class for the the different settings filters https://github.com/WordPress/gutenberg/pull/32159
- Fix Latest Posts block grid view https://github.com/WordPress/gutenberg/pull/32160
- Fix preset classes generation per block https://github.com/WordPress/gutenberg/pull/32190
- Fix logic to enable custom colors and gradients https://github.com/WordPress/gutenberg/pull/32200
- Update the Site Logo logic to use a dedicated site option https://github.com/WordPress/gutenberg/pull/32229
- Limit the Latest Posts block’s featured image width https://github.com/WordPress/gutenberg/pull/32245
- Remove opacity animation in the canvas. https://github.com/WordPress/gutenberg/pull/32266
- Make the focus style valid CSS https://github.com/WordPress/gutenberg/pull/32305
- Fix theme.json styles for the core/list block https://github.com/WordPress/gutenberg/pull/32343
- Fix PHP notice when calling render_block https://github.com/WordPress/gutenberg/pull/32135

Props nosolosw, noisysocks.
See #52991.


git-svn-id: https://develop.svn.wordpress.org/trunk@51051 602fd350-edb4-49c9-b593-d223f7449a82

tests/phpunit/includes/functions.php

@@ -310,7 +310,6 @@ function _unhook_block_registration() {
 	remove_action( 'init', 'register_block_core_loginout' );
 	remove_action( 'init', 'register_block_core_latest_comments' );
 	remove_action( 'init', 'register_block_core_latest_posts' );
-	remove_action( 'init', 'register_block_core_legacy_widget', 20 );
 	remove_action( 'init', 'register_block_core_post_author' );
 	remove_action( 'init', 'register_block_core_post_content' );
 	remove_action( 'init', 'register_block_core_post_date' );
@@ -334,5 +333,6 @@ function _unhook_block_registration() {
 	remove_action( 'init', 'register_block_core_social_link' );
 	remove_action( 'init', 'register_block_core_tag_cloud' );
 	remove_action( 'init', 'register_core_block_types_from_metadata' );
+	remove_action( 'init', 'init_legacy_widget_block' );
 }
 tests_add_filter( 'init', '_unhook_block_registration', 1000 );