Block Editor: Fix unit tests after new blocks addition.

- Regenerate the REST API fixtures.
 - Remove the block registration hooks in the unit tests.

Refs #46429.


git-svn-id: https://develop.svn.wordpress.org/trunk@44812 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/script-loader.php

@@ -549,7 +549,7 @@ function wp_default_packages_inline_scripts( &$scripts ) {
 				'	wp.data',
 				'		.use( wp.data.plugins.persistence, { storageKey: storageKey } )',
 				'		.use( wp.data.plugins.controls );',
-				'   wp.data.plugins.persistence.__unstableMigrate( { storageKey: storageKey } );',
+				'	wp.data.plugins.persistence.__unstableMigrate( { storageKey: storageKey } );',
 				'} )();',
 			)
 		)