Fix comment templates

What does this MR do and why?

Fix comment templates

Changelog: fixed

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

Screenshots are required for UI changes, and strongly recommended for all other merge requests.

Before	After

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

1. Go to any issue work item
2. Make sure you have the work_items_view_preference FF on
3. Make sure you have RTE switched
4. Click on "insert comment template" in the header of the markdown and see that you have the project templates option visible

Related to #518028 (closed)