unified hover: honor layout.hoverlabel#4687

Merged

antoinerg merged 9 commits intomasterfrom

Mar 26, 2020

Commits on Mar 26, 2020

set Fx defaults after legend defaults so unified hover label can inherit
antoinerg
committed
default unified hoverlabel.bgcolor combines legend.bgcolor and paper_bgcolor
antoinerg
committed
add comment stating that fx defaults should be set after legend defaults
antoinerg
committed