Administration: Fix typos in wp_admin_notice() arguments in a few instances.

Follow-up to [56570], [56599].

Props dlh, mukesh27, sumitbagthariya16.
Fixes #59830.

git-svn-id: https://develop.svn.wordpress.org/trunk@57084 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/template.php

@@ -1018,8 +1018,8 @@ function wp_import_upload_form( $action ) {
 		wp_admin_notice(
 			$upload_directory_error,
 			array(
-				'additonal_classes' => array( 'error' ),
-				'paragraph_wrap'    => false,
+				'additional_classes' => array( 'error' ),
+				'paragraph_wrap'     => false,
 			)
 		);
 	else :

src/wp-admin/includes/update.php

@@ -345,9 +345,9 @@ function update_nag() {
 	wp_admin_notice(
 		$msg,
 		array(
-			'type'              => 'warning',
-			'additonal_classes' => array( 'update-nag', 'inline' ),
-			'paragraph_wrap'    => false,
+			'type'               => 'warning',
+			'additional_classes' => array( 'update-nag', 'inline' ),
+			'paragraph_wrap'     => false,
 		)
 	);
 }

src/wp-admin/theme-editor.php

@@ -195,7 +195,7 @@ if ( isset( $_GET['a'] ) ) {
 		__( 'File edited successfully.' ),
 		array(
 			'id'                 => 'message',
-			'is-dismissible'     => true,
+			'dismissible'        => true,
 			'additional_classes' => array( 'updated' ),
 		)
 	);