gitea/web_src
Giteabot 056829749e
Diff page enhancements () ()
Backport  by @silverwind

Two small tweaks:

1. Vertically center arrow here when editing a PR:

<img width="405" alt="Screenshot 2023-06-20 at 19 48 49"
src="https://github.com/go-gitea/gitea/assets/115237/1d63764d-9fd9-467e-8a8e-9258c06475eb">

2. Use 2-row layout on diff viewed status and show it again on mobile:

<img width="142" alt="Screenshot 2023-06-20 at 19 51 21"
src="https://github.com/go-gitea/gitea/assets/115237/3046e782-163c-4f87-910c-a22066de8f1b">

Mobile view:

<img width="370" alt="Screenshot 2023-06-20 at 19 44 40"
src="https://github.com/go-gitea/gitea/assets/115237/9cf56347-7323-4d05-99a5-17ad215ee44d">

Co-authored-by: silverwind <me@silverwind.io>
..
css Diff page enhancements () ()
fomantic Remove more unused Fomantic variants () ()
js Update JS dependencies, remove space after emoji completion () ()
svg Use inline SVG for built-in OAuth providers () ()