* refactored to untangle comment headers of different styles of comments from each other
* fixed misalignments
* improved consistency
* fixed missing avatar rounding
* made reactions aligned with content
* fixed text in the "Outdated" label overflowing into the toggle icon
Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/8138
Reviewed-by: Beowulf <beowulf@beocode.eu>