Issue Summary

Customers are experiencing issues when opening hyperlinks using the "mailto" markdown. Nothing happens when they click on any hyperlink using the "mailto" markdown on the Desktop app.

Steps to Reproduce

1. Create a card on your board while using the Desktop app
2. Add to the description of your card the following piece of text: [Email](sample@sampleEmail.com) and save it. 
3. You'll see the word "Email" is hyperlinked on your card's description.
4. Click on the "Email" link, and you'll see nothing will happen

Expected Results

Clicking on a hyperlink using the "mailto" markdown should launch the default Mail client app installed on the customer's device.

Actual Results

Clicking on a hyperlink using the "mailto" markdown doesn't launch the default Mail client app installed on the customer's device. 

Workaround

Right-clicking on the hyperlink and selecting the "Open link" option will allow users to launch their default Mail app.