fix: (1) move "auto outside stroke" back to zrender. Think that's reasonable to auto provide this strategy to user. (2) do not specify insideStroke directly, use zrender auto strategry, otherwise incorrect in emphasis.
fix: (1) move "auto outside stroke" back to zrender. Think that's reasonable to auto provide this strategy to user.
(2) do not specify insideStroke directly, use zrender auto strategry, otherwise incorrect in emphasis.

apache/incubator-echarts,apache/incubator-echarts