Fix Fomantic's line-height causing vertical scrollbars to appear (#26961)
Before:
![before](https://github.com/go-gitea/gitea/assets/
3371163/
bc5a3b20-3490-4e14-ab1d-
2fcfbc4a2e20)
After:
![after](https://github.com/go-gitea/gitea/assets/
3371163/
70e8be6a-11a2-46af-9e1e-
78ac153cd2a4)
---
1. **Remove the scroll bar exception that in the a tag**
2. **Reduce the actual width of the a tag to the actual width of the
content**
![
c363a5b5883e105a0c65d7337893b50](https://github.com/go-gitea/gitea/assets/
3371163/
789d9b83-ad14-46d2-8a1b-
df551a063f6a)
As shown in the screenshot, the red box area should not be clickable