* don't call filterchanged twice. it's already an observer.
* fix data comparison
Compare new data from ha-state-history-data to existing data and replace
if changed
* remove unnecessary styles
* prevent multiple updates of chart-data
* remove console
* remove another console
* directly binding because debouncing in history-data element
shortening debounce time, works fine at 0
* remove inacurate comment
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