Improve SecurityHolding.TotalCloseProfit for Outside Market Hours

[AlexCatarino]

Expected Behavior

TotalCloseProfit takes into account market hours. For example, if the market is closed for Equity and Options, it cannot use the bid/ask to calculate the holdings value.

Actual Behavior

Outside market hours, the portfolio value can be all over the place. Realistically, these positions couldn't be closed:

Potential Solution

TotalCloseProfit uses the Price instead of AskPrice and BidPrice outside regular hours, except for Futures when market hours can be filled.

Checklist

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