Docs: Corrections and improvements to types used in docblocks for symbols, properties, and filters.

See #53399


git-svn-id: https://develop.svn.wordpress.org/trunk@51298 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/class-wp-block.php

@@ -61,7 +61,7 @@ class WP_Block {
 	 * List of inner blocks (of this same class)
 	 *
 	 * @since 5.5.0
-	 * @var WP_Block[]
+	 * @var WP_Block_List
 	 */
 	public $inner_blocks = array();