Issue Summary

While trying to provide guest users access to any space from "space permissions" tab we are unable to search any guest users tab.

Steps to Reproduce

1. Invite a guest user to your site.
2. Add them to the default guest access group.
3. Navigate to the space that you would like to provide access to the guest
4. Navigate to space settings >> space permissions >> 

Expected Results

The guest user should be visible in guest users search

Actual Results

unable to see the guest user, shows "No matches found".

Workaround

Navigate to space permissions >> guest users tab >> click on the search icon (it opens a new dialogue box) >> search the guest user there and add them.