Finish porting data structures for positions

core/templates/partials/position-list.html

@@ -18,8 +18,8 @@
       <td>{{ item.account }}</td>
       <td>{{ item.symbol }}</td>
       <td>{{ item.price }}</td>
-      <td>{{ item.qty }}</td>
-      <td>{{ item.market_value }}</td>
+      <td>{{ item.units }}</td>
+      <td>{{ item.value }}</td>
       <td>{{ item.unrealized_pl }}</td>
       <td>{{ item.side }}</td>
       <td>