Fix wrong hint when status checking is running on pull request view (#9886)

* Fix wrong hint when status checking is running on pull request view

* fix lint

* fix test

* fix test

* fix wrong tmpl

* fix import

* rename function name

modules/structs/attachment.go

@@ -3,6 +3,7 @@
 // license that can be found in the LICENSE file.
 
 package structs // import "code.gitea.io/gitea/modules/structs"
+
 import (
 	"time"
 )