Review fixes and enhancements (#24526)

Review fixes and enhancements (#24526)

- Fix regression with icons wrapping from
https://github.com/go-gitea/gitea/pull/24459
- Fix box misalignment on small screen
- Fix avatar misalignment on review comment
- Fix incorrect underline hover effect on review icons
- Move status icon to left side in review box
- Enhance review icon colors, add helper function for it
- Add missing inline avatars in review comments
- Tweak icon sizes because some octicons have inconsistent sizing

### Before
<img width="655" alt="Screenshot 2023-05-04 at 20 50 28"
src="https://user-images.githubusercontent.com/115237/236301230-92325507-6e03-47ac-bfb4-c9ddde310571.png">
<img width="260" alt="Screenshot 2023-05-04 at 20 50 42"
src="https://user-images.githubusercontent.com/115237/236301236-0dfa50e7-b8fc-4179-ae68-d872bc90f1f3.png">

### After
<img width="498" alt="Screenshot 2023-05-04 at 20 55 08"
src="https://user-images.githubusercontent.com/115237/236301810-23862c2c-c0a9-43a4-a3eb-ee611c14a7f4.png">
<img width="219" alt="Screenshot 2023-05-04 at 20 55 16"
src="https://user-images.githubusercontent.com/115237/236301817-d0de02ea-6ab5-43e1-9183-6b3848b72995.png">

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Co-authored-by: Giteabot <teabot@gitea.io>