Potential experiments

fix(app): stop aborting shared uploads when cancelling one attachment (#1967)

fix(app): accept tenor links with a regional locale prefix (#1966)

perf(app): stop double-loading stream previews into the image cache (#1965)

perf(app): render guild stickers only near the modal viewport (#1964)

fix(app): only animate stickers that actually have animation (#1963)

fix(app): inherit the parent gap inside stepped carousel panes (#1962)

fix(app): keep focus and its ring on a spoiler after it is revealed (#1961)

fix(app): let a sound restart immediately after being stopped (#1960)

fix(app): let a sound restart immediately after being stopped

fix(app): show community avatars in the search user filter (#1959)

fix(app): announce search result counts to screen readers (#1958)

feat(app): suggest filters and people while typing search text (#1957)

fix(app): stop animations running under reduced motion (#1956)

fix(app): stop the pointer hijacking quick switcher selection (#1955)

fix(app): stop refetching profile art when menus appear (#1954)

fix(app): let the profile popout banner fill its header (#1953)

fix(app): stop rewriting profile bio emoji urls on hover (#1952)

fix(app): version profile badge assets so they refresh (#1951)

fix(app): stop premium upsell preview emoji from stretching (#1950)

fix(app): remove popout stylesheets when the main document drops them (#1949)