Fix layout issues with blame table

## What does this MR do?

Fixes layout issues with the blame before. Previously the content would expanded out of the table making it look ugly!

## Screenshots (if relevant)

![Screen_Shot_2016-09-06_at_10.36.17](/uploads/719fc7cdf909b18afbe8afafbae7d99a/Screen_Shot_2016-09-06_at_10.36.17.png)

## What are the relevant issue numbers?

Closes #21216

See merge request !6218