web-links bind to nodes inside mermaidjs don't work (mermaidjs inside markdown documents)

Summary

Situation: Creating a mermaidjs graph inside a markdown document with nodes having links.

Links which are bind to a node don't work on GitLab 10.5.3-ee

These links where working on GitLab 10.3-ee

Steps to reproduce

Click on one of the nodes.
Normally http://google.com should come up.
Doesn't work .... ????

graph TD;
  A-->B;
  A-->C;
  B-->D;
  C-->D;
  
  click A "http://google.com" "This is a link"
  click B "http://google.com" "This is a link"
  click C "http://google.com" "This is a link"
  click D "http://google.com" "This is a link"
  

What is the current bug behavior?

Clicking on a node with a link doesn't work with mermaidjs inside a markdown document .

What is the expected correct behavior?

Open a new webpage by clicking on a node.