This is a little bugfix. Inline code is usually rendered in issue titles, but it is missing in the activity tab. Before: ![Screenshot 2024-01-16 at 14-20-51 Test](https://github.com/go-gitea/gitea/assets/15185051/383370f3-0fb2-49de-81cc-014e5cf86727) After: ![grafik](https://github.com/go-gitea/gitea/assets/15185051/83eaf973-ce9a-44ce-beea-2db49fc8bd73)