Potential experiments

fix(app): stop reprobing image format support on every build (#1976)

fix(app): stop fetching a tiny avatar for the large voice tile (#1975)

fix(app): write the first voice session restore snapshot on startup (#1974)

fix(app): record voice messages in a widely playable container (#1973)

fix(app): terminate the voice e2ee worker with the room that owns it (#1972)

perf(app): load voice background tiles only near the viewport (#1971)

refactor(app): collapse the wrapped voice avatar render branches into one (#1970)

perf(app): keep more twemoji urls cached instead of dropping them all (#1969)

fix(app): keep tooltips inside the fullscreen element (#1968)

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)