Unexpexted link with token [current-user:uid]

Problem/Motivation

[current-user:uid] is replaced by value of UID with a link to javascript:void(0)
The link is not expected

Steps to reproduce

Create a webform with an handler to send an email with a custom body.
Put the [current-user:uid] token in this body

Proposed resolution

Remove the link

Remaining tasks

User interface changes

API changes

Data model changes