Set colour of nbytes pane based on thresholds (#3805)
Set colour of nbytes pane based on thresholds (#3805)

* try-catch missing name error in BandwithWorker

* first cut

* make ordering match

* set yellow at 85% of target (by default ~50% of available RAM)

* code formatting

* remove demo snippet

Co-authored-by: KrishanBhasin <9bb68b0ec6575abc1cf4759444888f6f2e88a2dc@users.noreply.github.com>
dask/distributed,dask/distributed,dask/distributed,dask/distributed