Make label templates have consistent behavior and priority (#23749) (#24071)

Backport #23749

Fix https://github.com/go-gitea/gitea/issues/23715

Backported manually and tested manually.

services/repository/repository.go

@@ -81,7 +81,9 @@ func PushCreateRepo(authUser, owner *user_model.User, repoName string) (*repo_mo
 
 // Init start repository service
 func Init() error {
-	repo_module.LoadRepoConfig()
+	if err := repo_module.LoadRepoConfig(); err != nil {
+		return err
+	}
 	system_model.RemoveAllWithNotice(db.DefaultContext, "Clean up temporary repository uploads", setting.Repository.Upload.TempPath)
 	system_model.RemoveAllWithNotice(db.DefaultContext, "Clean up temporary repositories", repo_module.LocalCopyPath())
 	return initPushQueue()