Backport #25200 by @HesterG
An error occurs when clicking on `show full screen` on action page.
<img width="1440" alt="Screen Shot 2023-06-12 at 13 06 52"
src="https://github.com/go-gitea/gitea/assets/17645053/1d4ded3c-fb77-4dd8-9201-24d0696f96eb">
class name has changed in #25134, so the selector is not working.
Enhance the selectors to fix this.
Co-authored-by: HesterG <hestergong@gmail.com>
8e798ebbdf