Fix milestoneID filter bug in issue list (#29897)

Fix #29717

routers/web/repo/issue.go

@@ -446,13 +446,13 @@ func issues(ctx *context.Context, milestoneID, projectID int64, isPullOption opt
 	linkStr := "%s?q=%s&type=%s&sort=%s&state=%s&labels=%s&milestone=%d&project=%d&assignee=%d&poster=%d&archived=%t"
 	ctx.Data["AllStatesLink"] = fmt.Sprintf(linkStr, ctx.Link,
 		url.QueryEscape(keyword), url.QueryEscape(viewType), url.QueryEscape(sortType), "all", url.QueryEscape(selectLabels),
-		mentionedID, projectID, assigneeID, posterID, archived)
+		milestoneID, projectID, assigneeID, posterID, archived)
 	ctx.Data["OpenLink"] = fmt.Sprintf(linkStr, ctx.Link,
 		url.QueryEscape(keyword), url.QueryEscape(viewType), url.QueryEscape(sortType), "open", url.QueryEscape(selectLabels),
-		mentionedID, projectID, assigneeID, posterID, archived)
+		milestoneID, projectID, assigneeID, posterID, archived)
 	ctx.Data["ClosedLink"] = fmt.Sprintf(linkStr, ctx.Link,
 		url.QueryEscape(keyword), url.QueryEscape(viewType), url.QueryEscape(sortType), "closed", url.QueryEscape(selectLabels),
-		mentionedID, projectID, assigneeID, posterID, archived)
+		milestoneID, projectID, assigneeID, posterID, archived)
 	ctx.Data["SelLabelIDs"] = labelIDs
 	ctx.Data["SelectLabels"] = selectLabels
 	ctx.Data["ViewType"] = viewType