Fix queue worker incorrectly stopped when there are still more items in the queue (#29532)#29546

wxiaoguang merged 2 commits intogo-gitea:release/v1.21go-gitea/gitea:release/v1.21from

GiteaBot:backport-29532-v1.21GiteaBot/gitea:backport-29532-v1.21Copy head branch name to clipboard