Coding Standards: Use strict type check for in_array() in `get_hook…

…ed_block_markup()`.

This aims to prevent type juggling causing incorrect results.

Follow-up to [57157].

Props jrf.
See #60279.

git-svn-id: https://develop.svn.wordpress.org/trunk@57372 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/blocks.php

@@ -784,7 +784,7 @@ function get_hooked_block_markup( $hooked_block, $hooked_block_type, &$anchor_bl
 		$anchor_block['attrs']['metadata']['ignoredHookedBlocks'] = array();
 	}
 
-	if ( in_array( $hooked_block_type, $anchor_block['attrs']['metadata']['ignoredHookedBlocks'] ) ) {
+	if ( in_array( $hooked_block_type, $anchor_block['attrs']['metadata']['ignoredHookedBlocks'], true ) ) {
 		return '';
 	}