dflts: fix inheritance logic from line.color -> marker
dflts: fix inheritance logic from line.color -> marker

- fix typo in line.color -> marker.color logic
- don't make marker.line.color inherit from line.color
  if line.color is an array.

aburato/plotly.js,plotly/plotly.js,plotly/plotly.js,etpinard/plotly.js,aburato/plotly.js,etpinard/plotly.js,asolagmbh/plotly.js,etpinard/plotly.js,iongroup/plotly.js,iongroup/plotly.js,iongroup/plotly.js,plotly/plotly.js,plotly/plotly.js,asolagmbh/plotly.js,asolagmbh/plotly.js