Engine parses 'AREA' for circle area instead of 'TOTAL AREA'

[tinrobot2000]

Engine does not use 'TOTAL AREA' (index 8 in example CSV) or calculate from 'QUANTITY' and 'AREA' leading to incorrect bubble areas for analysis

https://github.com/LongNguyenP/DynaShape/blob/89912da96df1b8937901524b4836c62bcbbb8d08/DynaSpace/Engine.cs#L146-L147