Fixes how “Pinned toot”, “… boosted” etc. are styled on public profiles.

The public pages now use CSS from the WebUI to style toots, but the glitch-soc
UI is widely different. Hack around that for now by hardcoding upstream-like
values.

Port 13ac8ca66a to glitch-soc

Port 60df87f6f0 to glitch-soc

Port e0b1e17bd0 to glitch-soc

Port 1d773b3a46 to glitch-soc

Port bb71538bb5 to glitch-soc

Upstream's implementation has been merged a while ago and is the preferred
way to set fields, as it is the only one compatible with upstream and is
more user-friendly.

This commit deletes the legacy glitch-soc FrontMatter functionality in order
to clean up the code and make it easier to maintain.

Port WebUI part of 0fb0037ca7 to glitch-soc

Mostly a port of 2ccef52a4f to glitch-soc

Port 20d1be18af to glitch-soc

Change inspired by 691107263c

Fix a regression introduced by 612b00d1bb

Port ed50c2393a to glitch-soc

Port 89c6d2bd6b to glitch-soc

Port 955d5d36e8 to the glitch-soc flavour

Port f6910fba02 to glitch-soc

Port d0d23b8f0a to glitch-soc

Port f2d9a3c239 to glitch-soc

This prepares for a third option that would restrict privacy to
privacyPreference(replyPrivacy, sideArmBasePrivacy)

Port front-end part of 20fefdb714 to glitch-soc

Port 30e1da7668 to glitch-soc

Port 1ca4e51eb3 to glitch-soc

Port 404c7702ec to glitch-soc