[v4/blur/artwork-controller] Animate height change of artwork container + Remove text overflow title

Ideally the title in the now playing section can stretch over multiple lines. That however changes the height of the artwork container above, which makes for weird artwork transitions/animations. If we could animate the height change maybe it would make the transition better.

Waiting on global https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Values/calc-size browser support.