Fix repository issues pagination bug when there are more than one label filter (#9512)

routers/repo/issue.go

@@ -264,7 +264,8 @@ func issues(ctx *context.Context, milestoneID int64, isPullOption util.OptionalB
 	}
 
 	ctx.Data["IssueStats"] = issueStats
-	ctx.Data["SelectLabels"] = com.StrTo(selectLabels).MustInt64()
+	ctx.Data["SelLabelIDs"] = labelIDs
+	ctx.Data["SelectLabels"] = selectLabels
 	ctx.Data["ViewType"] = viewType
 	ctx.Data["SortType"] = sortType
 	ctx.Data["MilestoneID"] = milestoneID