Revert "Honor the Disable Visual Editor setting (#12000)"

This reverts commit 095d18f.

gutenberg.php

@@ -200,13 +200,6 @@ function gutenberg_pre_init() {
 	add_filter( 'replace_editor', 'gutenberg_init', 10, 2 );
 }
 
-/**
- * Enable Gutenberg based on user_can_richedit setting.
- * Set gutenberg_can_edit_post based on user setting for disable visual editor.
- */
-add_filter( 'gutenberg_can_edit_post_type', 'user_can_richedit', 5 );
-add_filter( 'gutenberg_can_edit_post', 'user_can_richedit', 5 );
-
 /**
  * Initialize Gutenberg.
  *

lib/client-assets.php

@@ -1055,6 +1055,12 @@ function gutenberg_editor_scripts_and_styles( $hook ) {
 		'after'
 	);
 
+	// Ignore Classic Editor's `rich_editing` user option, aka "Disable visual
+	// editor". Forcing this to be true guarantees that TinyMCE and its plugins
+	// are available in Gutenberg. Fixes
+	// https://github.com/WordPress/gutenberg/issues/5667.
+	add_filter( 'user_can_richedit', '__return_true' );
+
 	wp_enqueue_script( 'wp-edit-post' );
 	wp_enqueue_script( 'wp-format-library' );
 	wp_enqueue_style( 'wp-format-library' );