common: timeline items can be null?

common/gitea_utils.go

@@ -782,10 +782,13 @@ func (gitea *GiteaTransport) GetTimeline(org, repo string, idx int64) ([]*models
 		LogDebug("page:", page, "len:", resCount)
 		page++
 
-		retData = append(retData, res.Payload...)
+		for _, d := range res.Payload {
+			if d != nil {
+				retData = append(retData, d)
+			}
+		}
 	}
 	LogDebug("total results:", len(retData))
-
 	slices.SortFunc(retData, func(a, b *models.TimelineComment) int {
 		return time.Time(b.Created).Compare(time.Time(a.Created))
 	})