fix(EGDbContext): add Envelope-property to Envelope-History relation definition on model builder

EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReadEnvelopeReceiverQuery.cs

@@ -9,6 +9,7 @@ using EnvelopeGenerator.Application.Receivers.Queries;
 using MediatR;
 using EnvelopeGenerator.Domain.Entities;
 using Microsoft.EntityFrameworkCore;
+using EnvelopeGenerator.Application.SQL;
 
 namespace EnvelopeGenerator.Application.EnvelopeReceivers.Queries;
 
@@ -138,6 +139,6 @@ public class ReadEnvelopeReceiverQueryHandler : IRequestHandler<ReadEnvelopeRece
                         .Include(er => er.Receiver)
                         .ToListAsync(cancel);
 
-        return _mapper.Map<IEnumerable<EnvelopeReceiverDto>>(envRcvs);
+        return _mapper.Map<List<EnvelopeReceiverDto>>(envRcvs);
     }
 }