Create Primary Forecast Upon Baseline: is it possibile to change the creation method?

Summary:

when creating the forecast using the option "Create Primary Forecast Upon Baseline" the system creates the forecast with the method "Copy from" and the actuals and the ETC start date is not populated. in this way all the period are available to enter the ETC quantities, also past period. is it possible to change the creation method to "Generate from" ? is this way etc start date and actuals will be included

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