Edouard Tisserant [Thu, 22 Sep 2022 09:42:38 +0200] rev 3624
SVGHMI: remove intermediate "updates" Map and apply_updates()
It was used initially to decouple DOM updates from reception of data through
websocket, but now since all widget SHOULD use animate() to modify DOM, and
dispatch() only change internal state, apply_update is unnecessary.