Wrong result when timestamp compares to 0/false

## Bug Report

Please answer these questions before submitting your issue. Thanks!

### 1. Minimal reproduce step (Required)

```sql
DROP TABLE IF EXISTS t0;
CREATE TABLE t0(c0 TIMESTAMP , PRIMARY KEY(c0));
INSERT IGNORE INTO t0(c0) VALUES (NULL);

SELECT ((t0.c0)=(0)) FROM t0;
SELECT t0.c0 FROM t0 WHERE ((t0.c0)=(0));
SELECT ((t0.c0)=(false)) FROM t0;
SELECT t0.c0 FROM t0 WHERE ((t0.c0)=(false));
```

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

see the following case:

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

```sql
-- MySQL 8.4.1
mysql> SELECT ((t0.c0)=(0)) FROM t0;
+---------------+
| ((t0.c0)=(0)) |
+---------------+
| 1 |
+---------------+
1 row in set (0.01 sec)

mysql> SELECT t0.c0 FROM t0 WHERE ((t0.c0)=(0));
+---------------------+
| c0 |
+---------------------+
| 0000-00-00 00:00:00 |
+---------------------+
1 row in set (0.00 sec)

mysql> SELECT ((t0.c0)=(false)) FROM t0;
+-------------------+
| ((t0.c0)=(false)) |
+-------------------+
| 1 |
+-------------------+
1 row in set (0.00 sec)

mysql> SELECT t0.c0 FROM t0 WHERE ((t0.c0)=(false));
+---------------------+
| c0 |
+---------------------+
| 0000-00-00 00:00:00 |
+---------------------+
1 row in set (0.01 sec)

-- TiDB
mysql> SELECT ((t0.c0)=(0)) FROM t0;
+---------------+
| ((t0.c0)=(0)) |
+---------------+
| 1 |
+---------------+
1 row in set (0.04 sec)

mysql> SELECT t0.c0 FROM t0 WHERE ((t0.c0)=(0));
Empty set (0.03 sec)

mysql> SELECT ((t0.c0)=(false)) FROM t0;
+-------------------+
| ((t0.c0)=(false)) |
+-------------------+
| 1 |
+-------------------+
1 row in set (0.03 sec)

mysql> SELECT t0.c0 FROM t0 WHERE ((t0.c0)=(false));
Empty set (0.04 sec)
```

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

mysql> select version();
+--------------------+
| version() |
+--------------------+
| 8.0.11-TiDB-v8.5.0 |
+--------------------+
1 row in set (0.04 sec)