Potential experiments

refactor(app): name mute and unread state accessors by intent (#1859)

refactor(app): drop the unread jump anchor now the scroller finds it (#1858)

fix(app): request custom emoji at one canonical image size (#1857)

fix(app): paint avatars from a real image with a fading placeholder (#1856)

perf(app): load images immediately instead of queueing four at a time (#1855)

refactor(app): collapse the duplicate emoji shortcode matchers into one (#1854)

fix(app): freeze embed author and footer icons under motion settings (#1853)

feat(app): understand date words and DM channels in search filters (#1852)

fix(app): close the modal you opened, not whatever is on top (#1851)

fix(app): match member search on accents, display names and ids (#1850)

fix(app): retry hydrating message authors after a reconnect (#1849)

fix(app): keep the member list in sync when switching channels (#1848)

fix(app): make the media volume slider track loudness (#1847)

fix(app): hide the video controls again after a few idle seconds (#1846)

fix(app): keep local image previews from disappearing before upload (#1845)

refactor(app): rename ComponentDispatch to ComponentBus (#1844)

refactor(app): rename ComponentDispatch to ComponentBus

fix(app): size the chat skeleton from the remembered viewport height (#1843)

fix(app): request avatar and banner sizes the media proxy serves (#1842)

fix(media-proxy): stop re-encoding jpeg and video frames losslessly (#1841)