[UI][Analytics]For Scatter-Gather graph , data should display for all correctly for legends when data values is same

Tested on 7.0.1 build 5996 

Executed Analytics query as: 

Select * from customer limit 2;

On chart screen. chart type selected as scatter Gather, X- axis as "c-balance" and y-axis "c_credit_limit" and Gather as "c_city".

c_balance for 2 records is -10 and -10 i.e. same 

c_credit for 2 records is also same that is 50000 and 50000.

On Graph, it is displaying for 1 city only where for same location it should show for both the data