fix(label): fix labels are not on the top bug.

fix(visualMap): use itemSymbol as default symbol type and fix #5719

feat(legend): make default legend more intuitive

fix(label): fix map label won't update its position when labelLayout is used

feature: support geoSVG

fix(graph): no edge symbol when offset is not defined

This may be a bug raised from #14375

Feat(effectScatter): add clip for effectScatter

fix(line): ensure lineWidth is a number before addition in bolder logic

fix(gauge) #14131 Pointer can not display when icon is image

fix(option): optimize error log when components or series are missing

(1) support name on <g>.
(2) some refactor.