* update fixed

* update fixed

* update fixed

* don't change any tests

* add mising space

* Custom unit formats

* return a string for kbn

* return a string for kbn

* return a string for kbn

* Simplify unit tests

* More units

* fix more tests

* fix more tests

* fix more tests

* format values

* format values

* TimeSeries to string

* more kbn tests

* use the formatted value

* BarGauge: Fixed font size calculations

* support prefix

* add si support

* avoid npe

* BarGauge/BigValue: value formatting

* fix some tests

* fix tests

* remove displayDateFormat

* another unicode char

* Graph: Use react unit picker

* Updated unit picker

* Fixed build errors

* more formatting

* graph2 tooltip formatting

* optional chaining