Fix icon alignment

What does this MR do and why?

Fixes the icon alignment issue for the MR Widget.

Screenshots or screen recordings

before	after

How to set up and validate locally

Requirements:

1. You'll need an EE License
2. You'll need to have runners enabled (See $2408961 for setting up a runner)

Enable :refactor_security_extension to turn this feature on.

echo "Feature.enable(:refactor_security_extension)" | rails c

Populate findings

1. Create a new MR by editing a file

Testing changes

Once the MR is ready, go to the MR page and check the icon alignment.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #374504 (closed)