When i format a datetime field in a server action and send an email it doesn't show

Wappler Version : 3.3.2
Operating System : MacOs Catalina

Expected behavior

What do you think should happen?

It should show the datetime field formatted in the subject of the email.

Actual behavior

What actually happens?

Does not show.

How to reproduce

• Detail a step by step guide to reproduce the issue
• A screenshot or short video indicating the problem
• A copy of your code would help. Include: JS, HTML.
• Test your steps on a clean page to see if you still have an issue

This is the capture of subject when I receive the e-mail:

When I do not apply the formatting it show.