Username should be displayed instead of contractID

[Silver-IT]

Problem

Steps to reproduce

• [Tab1] u1 signs up, and creates a group
• [Tab2] u2 joins the group
• [Tab3] u1 logs in, and check the notification
• [Tab3] contractID is used instead of username in the notification (Attached screenshot)
  

What should be happening

• [Tab3] Username should be used instead of contractID

Solution

Fix it

[taoeffect]

Wow! Great catch @Silver-IT!! 😱

And not only that, but there are errors in the [Tab3] console too!

All of these needs to be fixed as part of this issue. 👍