Block Editor: Don't show back compat or incompatible meta boxes in Options.

Meta boxes that exist for back compat, or that are incompatible with the block editor aren't displayed, so they don't need an option to display or hide them in the Options dialog.

Props noisysocks.
Fixes #45249.


Built from https://develop.svn.wordpress.org/branches/5.0@43856


git-svn-id: http://core.svn.wordpress.org/branches/5.0@43685 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/post.php

@@ -2096,6 +2096,16 @@ function the_block_editor_meta_boxes() {
 					continue;
 				}
 
+				// If a meta box is just here for back compat, don't show it in the block editor.
+				if ( isset( $meta_box['args']['__back_compat_meta_box'] ) && $meta_box['args']['__back_compat_meta_box'] ) {
+					continue;
+				}
+
+				// If a meta box doesn't work in the block editor, don't show it in the block editor.
+				if ( isset( $meta_box['args']['__block_editor_compatible_meta_box'] ) && ! $meta_box['args']['__block_editor_compatible_meta_box'] ) {
+					continue;
+				}
+
 				$meta_boxes_per_location[ $location ][] = array(
 					'id'    => $meta_box['id'],
 					'title' => $meta_box['title'],

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0-beta2-43855';
+$wp_version = '5.0-beta2-43856';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.