Field names the winning contributions stand in for, so the form stops drawing them.
Separate from ContributionHiddenSectionKeys because the two hide different
things: a section key removes a whole card, a field name removes one input from inside
one. The panel that made the claim renders at the top of the section that held those
fields, which is the collapsible panel's job — this only says which fields are spoken for.
Field names the winning contributions stand in for, so the form stops drawing them.
Separate from ContributionHiddenSectionKeys because the two hide different things: a section key removes a whole card, a field name removes one input from inside one. The panel that made the claim renders at the top of the section that held those fields, which is the collapsible panel's job — this only says which fields are spoken for.