feat(history): enhance ReadHistoryQuery to support Envelope object and UUID

- Replace nullable `OnlyLast` with non-nullable default `true`
- Support filtering by Envelope object (Id or Uuid) in addition to deprecated EnvelopeId
- Throw `BadRequestException` if no valid Envelope reference is provided
- Preserve status filtering and ordering for latest history entries

EnvelopeGenerator.Application/Histories/Queries/HistoryQueryBase.cs

@@ -24,5 +24,5 @@ public record HistoryQueryBase
     /// <summary>
     /// 
     /// </summary>
-    public EnvelopeQueryBase? Envelope { get; set; }
+    public EnvelopeQueryBase Envelope { get; set; } = new EnvelopeQueryBase();
 }