enhance: Set delete scope for LoadSegment streaming data (#30245)

See also #29474

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Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>

internal/querynodev2/delegator/delegator_data.go

@@ -617,6 +617,7 @@ func (sd *shardDelegator) loadStreamDelete(ctx context.Context,
 				SegmentId:    info.GetSegmentID(),
 				PrimaryKeys:  storage.ParsePrimaryKeys2IDs(deleteData.Pks),
 				Timestamps:   deleteData.Tss,
+				Scope:        querypb.DataScope_Historical, // only sealed segment need to loadStreamDelete
 			})
 			if err != nil {
 				log.Warn("failed to apply delete when LoadSegment", zap.Error(err))