fixed a bug where limits were not set correctly for stacked charts and unitwidth and mixed series types were not drwn correclty
fixed a bug where limits were not set correctly for stacked charts and unitwidth and mixed series types were not drwn correclty

hulihutu9/Live-Charts,beto-rodriguez/Live-Charts,rusanov-vladimir/Live-Charts,DeadlyEmbrace/Live-Charts,henninltn/Live-Charts