v1.28.3

this update was primarily design focused, so nothing should break

• add admin and moderator badges to posts and comments
• use primary colors for selected side nav items, works better with theming
• de-emphasize certain elements to make the UI less busy
• add search to sidebar
• use the post component for crossposts so they look better
• fix expanding images not working on list mode
• make search bars more consistent
• add sorting to search pages
• make URLs without embeds prettier

Full Changelog: v1.28.2...v1.28.3