The result of `BIN` is not compatible with MySQL when the argument is truncated

## Bug Report

Please answer these questions before submitting your issue. Thanks!

### 1. Minimal reproduce step (Required)

### 2. What did you expect to see? (Required)

```
mysql> SELECT BIN(18446744073709551616);
+------------------------------------------------------------------+
| BIN(18446744073709551616) |
+------------------------------------------------------------------+
| 1111111111111111111111111111111111111111111111111111111111111111 |
+------------------------------------------------------------------+
1 row in set, 1 warning (0.03 sec)
```

### 3. What did you see instead (Required)

```

mysql> SELECT BIN(18446744073709551616);
+-----------------------------------------------------------------+
| BIN(18446744073709551616) |
+-----------------------------------------------------------------+
| 111111111111111111111111111111111111111111111111111111111111111 |
+-----------------------------------------------------------------+
1 row in set, 1 warning (0.01 sec)
```

### 4. What is your TiDB version? (Required)