The new OCEANBASE driver connection to the database does not display Decimal data
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- Java
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Description
### Description
Because the default OceanBase is MySQL mode, Oracle mode needs to create a new JDBC driver management, the new driver can connect to the OCEANBASE database, but get the table data Decimal type data, only integer types can be displayed

However, the same table fields will show up in the Oracle Database as normal

When I disabled numeric formatting, it had no effect. After changing this setting, I reconnected the loaded data

### DBeaver Version
25.0.4.202505041731
### Operating System
win11
### Database and driver
OceanBase 4.2.1.6
oceanbase-client-2.4.13.jar
### Steps to reproduce
_No response_
### Additional context
_No response_
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