Fix inconsistent closed issue list icon (go-gitea#33722)

Fixe go-gitea#33718

Before

![image](https://github.com/user-attachments/assets/2c77e249-a118-4471-8c63-ead4fe0f6336)

After

![image](https://github.com/user-attachments/assets/c082eba8-5b21-4814-b091-c725ca46ccf3)

(cherry picked from commit 74c8e95)

Author: lunny

templates/repo/issue/openclose.tmpl

@@ -10,7 +10,7 @@
 		{{ctx.Locale.PrettyNumber .OpenCount}} {{ctx.Locale.Tr "repo.issues.open_title"}}
 	</a>
 	<a class="{{if eq .State "closed"}}active {{end}}item" href="{{.ClosedLink}}" data-test-name="closed-issue-count">
-		{{svg "octicon-check" 16 "tw-mr-2"}}
+		{{svg "octicon-issue-closed" 16 "tw-mr-2"}}
 		{{ctx.Locale.PrettyNumber .ClosedCount}}&nbsp;{{ctx.Locale.Tr "repo.issues.closed_title"}}
 	</a>
 	{{if not .PageIsMilestones}}