Potential experiments

fix(app): animate message emoji only while hovering the message (#1869)

fix(app): draw the mention badge cutout from the badge itself (#1868)

fix(app): stop animating emoji and stickers that have no animation (#1867)

fix(app): stop discovery animating on first render (#1866)

perf(app): fetch text attachment previews only when they scroll near (#1865)

fix(app): only animate media that has an animated variant (#1864)

fix(app): scope near-viewport loading to the surrounding scroller (#1863)

fix(app): scope near-viewport loading to the surrounding scroller

fix(app): keep hydrated state across gateway session resumes (#1862)

fix(app): keep unsent messages and stop the unread jump on reconnect (#1861)

fix(app): keep the chat scroller pinned to the end while it resizes (#1860)

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)