As a user of TSVB. Firstly, I add two series to the aggregation. Then, I choose the `Stacked with series` option for the each one.  Actual result: Charts behave as the `Stacked` options have been chosen.  Expected result (given from the current master): 
As a user of TSVB.
Firstly, I add two series to the aggregation.
Then, I choose the
Stacked with seriesoption for the each one.Actual result:
Charts behave as the
Stackedoptions have been chosen.Expected result (given from the current master):
