[Order] use origin_stop_price as price if setted

Author: Phodia

octobot_trading/personal_data/orders/order.py

@@ -604,7 +604,8 @@ def ensure_order_id(self):
             self.order_id = order_util.generate_order_id()
 
     def to_dict(self):
-        filled_price = self.filled_price if self.filled_price > 0 else self.origin_price
+        filled_price = self.filled_price if self.filled_price > 0 \
+            else self.origin_price if not self.origin_stop_price else self.origin_stop_price
         return {
             enums.ExchangeConstantsOrderColumns.ID.value: self.order_id,
             enums.ExchangeConstantsOrderColumns.SYMBOL.value: self.symbol,