Added discard review button to review bar
What does this MR do and why?
Adds a Discard button to the review bar. Clicking the discard button opens up a modal to confirm you want to
discard the review. Once discarded a toast message pops up confirming
the review has been discarded
References
Please include cross links to any resources that are relevant to this MR. This will give reviewers and future readers helpful context to give an efficient review of the changes introduced.
MR acceptance checklist
Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.
Screenshots or screen recordings
How to set up and validate locally
Numbered steps to set up and validate the change are strongly suggested.