Short feature description

[tahumada]

Feature Summary
In the GCN page, 'Sources within localization' menu, when rejecting a source it would be ideal to have either a menu of reasons for the rejection, or an open box to make a comment as to why it got rejected

Usage / behavior
in the search of multi-messenger sources, a lot of sources will be rejected and multiple people will work on these sources. Tracking the reason for rejection is important

Alternative Solutions

Implementation details

Additional context