feat: Leader列表显示仓位资产

- 列表新增仓位资产列
- 移动端卡片新增仓位资产Tag
- 文案'仓位余额'改为'仓位资产'
- 仓位资产使用紫色Tag显示

frontend/src/locales/en/common.json

@@ -502,7 +502,7 @@
     "balanceInfo": "Balance Information",
     "refresh": "Refresh",
     "availableBalance": "Available Balance",
-    "positionBalance": "Position Balance",
+    "positionBalance": "Position Asset",
     "totalBalance": "Total Balance",
     "positions": "Positions",
     "noPositions": "No positions",