From bd353201e3303e3d185ff431508e29f1488142ce Mon Sep 17 00:00:00 2001
From: Jay Pfaffman <jay@literatecomputing.com>
Date: Thu, 3 Mar 2022 06:20:43 -0800
Subject: [PATCH] Update head_tag.html

Fixes:

```
To prevent errors in tests, add a `pluginId` key to your `modifyClass` call. This will ensure the modification is only applied once.
```
---
 desktop/head_tag.html | 1 +
 1 file changed, 1 insertion(+)

diff --git a/desktop/head_tag.html b/desktop/head_tag.html
index d06c12f..013c7df 100644
--- a/desktop/head_tag.html
+++ b/desktop/head_tag.html
@@ -75,6 +75,7 @@ api.addToolbarPopupMenuOptionsCallback(() => {
 });
 
 api.modifyClass("controller:composer", {
+  pluginId: 'md-composer-extras', 
   actions: {
     floatleft() {
       this.get("toolbarEvent").applySurround('[wrap="floatl"]\n', '\n[/wrap]', "float_left_text");