[Futures] DefaultMarginCallModel GetMaximumLotsForDeltaBuyingPower

[Martin-Molinero]

Expected Behavior

• DefaultMarginCallModel works correctly

Actual Behavior

• DefaultMarginCallModel can call GetMaximumLotsForDeltaBuyingPower with a deltaBuyingPower > 1 which causes FutureMarginModel to throw Futures do not allow specifying a leveraged target, since they are traded using margin which already is leveraged

Potential Solution

Review

Reproducing the Problem

N/A

System Information

N/A

Checklist

• I have completely filled out this template
• I have confirmed that this issue exists on the current master branch
• I have confirmed that this is not a duplicate issue by searching issues

• I have provided detailed steps to reproduce the issue