fix: missing "Security Incident" category

[wesleyboar]

Overview

The Category field in Ticket form is missing "Security Incident".

1. N.M. reported this to H.P. for CMS form.
2. I updated CMS help page form.
3. I checked this form, which is also missing it.
4. I failed to find in Git history when it was lost.
5. J.R. reveals change caused by TUP-539.

Related

• revert TUP-539

Changes

• added <option> to a form field
• added help text to that form field

Testing

1. Open portal.
2. Open modal to create a ticket.
3. View "Category" field.
4. Verify "Security Option" is present.
5. Verify help text is

   For issues with MFA or CoC, choose "Multi-factor Authentication" or "Other" respectively.

UI

…

Notes

Matches changes made to CMS help page form.

[wesleyboar]

Added help text (as I proposed to User Services, who had originally requested removal of the user option). I mark PR as draft, until User Services approves restoration of user option.