View mode is only a screen option for posts lists.

see #22222.

Built from https://develop.svn.wordpress.org/trunk@35461


git-svn-id: http://core.svn.wordpress.org/trunk@35425 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-wp-screen.php

@@ -1194,6 +1194,13 @@ final class WP_Screen {
 	 * @since 4.4.0
 	 */
 	public function render_view_mode() {
+		$screen = get_current_screen();
+
+		// Currently only enabled for posts lists
+		if ( 'edit' !== $screen->base ) {
+			return;
+		}
+
 		/**
 		 * Filter the post types that have different view mode options.
 		 *